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The new relationship chart can be viewed on the official Hypmic website. It's an ungainly beast that defies easy screenshotting.

Therefore, I've grouped the content by character. Each character block contains two sets of interactions: what characters think of other people, and what other people think of the characters. This means all interactions are listed twice.

Ichirou:

Ichirou is proud to have Jirou as a little brother and thinks he's a great teammate to have in his corner.

Ichirou is proud to have Saburou as a little brother and considers him a cornerstone of the team.

Ichirou finds that Samatoki's self-aggrandizing ways grate on his nerves.

Ichirou acknowledges Rei as his father but has complex negative feelings about him.

Ichirou respects Kuukou as a strong, talented individual but recognizes that teaming up at this point in his life is just asking for a headache.

Jirou looks up to Ichirou as a cool older figure whom he wants to one day surpass.

Saburou respects Ichirou as his older brother.

Samatoki finds that Ichirou's lack of respect for him grates on his nerves.

Rei thinks of the Buster Bros as his sons.

Kuukou acknowledges Ichirou as a strong, talented individual.

Jirou:

Jirou looks up to Ichirou as a cool older figure whom he wants to one day surpass.

Jirou thinks Saburou is a little shit but a dependable little brother.

Jirou acknowledges Rei as his father but can't stand him.

Ichirou is proud to have Jirou as a little brother and thinks he's a great teammate to have in his corner.

Saburou thinks Jirou is a cretinous but dependable older brother.

Rei thinks of the Buster Bros as his sons.

Saburou:

Saburou respects Ichirou as his older brother.

Saburou thinks Jirou is a cretinous but dependable older brother.

Saburou acknowledges Rei as his father but dislikes him.

Ichirou is proud to have Saburou as a little brother and considers him a cornerstone of the team.

Jirou thinks Saburou is a little shit but a dependable little brother.

Rei thinks of the Buster Bros as his sons.

Samatoki:

Samatoki finds that Ichirou's lack of respect for him grates on his nerves.

Samatoki thinks Juuto is fussy and pedantic but trusts him with his life.

Samatoki thinks Riou has a few screws loose but trusts him with his life.

Samatoki respects Sasara as a strong, talented individual but recognizes that teaming up with him at this point in his life is just asking for a headache.

Samatoki acknowledges that his and Nemu's lives have gone in different directions but still loves her dearly.

Ichirou finds that Samatoki's self-aggrandizing ways grate on his nerves.

Juuto thinks Samatoki is a piece of work but trusts him with his life.

Riou thinks Samatoki is a brother in arms whom he trusts with his life.

Sasara thinks of Samatoki as an ex-teammate and fascinating figure.

Nemu acknowledges that her and Samatoki's lives have gone in different directions but still loves him dearly.

Juuto:

Juuto thinks Samatoki is a piece of work but trusts him with his life.

Juuto thinks Riou is an oddball but trusts him with his life.

Samatoki thinks Juuto is fussy and pedantic but trusts him with his life.

Riou thinks Juuto is a brother in arms whom he trusts with his life.

Riou:

Riou thinks Samatoki is a brother in arms whom he trusts with his life.

Riou thinks Juuto is a brother in arms whom he trusts with his life.

Samatoki thinks Riou has a few screws loose but trusts him with his life.

Juuto thinks Riou is an oddball but trusts him with his life.

Ramuda:

Ramuda thinks Gentarou is one pillar of the best, coolest, toughest posse ever.

Ramuda thinks Dice is one pillar of the best, coolest, toughest posse ever.

Ramuda thinks Jakurai is irritating, but he can't get Jakurai out of his head.

Ramuda thinks of Chuuouku as the party he defected from.

Gentarou thinks of Ramuda as a source of inspiration and a dear friend.

Dice knows that Ramuda is always yanking his chain but sees him as a homie nevertheless.

Jakurai thinks Ramuda's rudeness is obnoxious, but he wants to save Ramuda nevertheless.

Chuuouku thinks of Ramuda as an asset for which they no longer have any use.

Gentarou:

Gentarou thinks of Ramuda as a source of inspiration and a dear friend.

Gentarou thinks of Dice as an endless source of entertainment and a dear friend.

Gentarou wants revenge on Chuuouku for incapacitating his brother.

Ramuda thinks Gentarou is one pillar of the best, coolest, toughest posse ever.

Dice thinks that Gentarou is downright bizarre but sees him as a homie nevertheless.

Dice:

Dice knows that Ramuda is always yanking his chain but sees him as a homie nevertheless.

Dice thinks that Gentarou is downright bizarre but sees him as a homie nevertheless.

Dice thinks of Otome as his bio mom.

Ramuda thinks Dice is one pillar of the best, coolest, toughest posse ever.

Gentarou thinks of Dice as an endless source of entertainment and a dear friend.

Otome thinks of Dice as her son.

Jakurai:

Jakurai thinks Ramuda's rudeness is obnoxious, but he wants to save Ramuda nevertheless.

Jakurai thinks Hifumi is a wonderful person to have in his corner and a cherished teammate.

Jakurai thinks Doppo is a tirelessly supportive teammate to have in his corner.

Jakurai thinks of Hitoya as a dear friend he's known since middle school.

Ramuda thinks Jakurai is irritating, but he can't get Jakurai out of his head.

Hifumi respects Jakurai and wants to be a pillar of support to him.

Doppo respects Jakurai and wants to help lessen his burdens.

Hitoya thinks of Jakurai as a rival and dear friend.

Hifumi:

Hifumi respects Jakurai and wants to be a pillar of support to him.

Hifumi thinks of Doppo as a friend from childhood who's a bit of a handful.

Jakurai thinks Hifumi is a wonderful person to have in his corner and a cherished teammate.

Doppo thinks of Hifumi as a friend from childhood who's a bit of a handful.

Doppo:

Doppo respects Jakurai and wants to help lessen his burdens.

Doppo thinks of Hifumi as a friend from childhood who's a bit of a handful.

Jakurai thinks Doppo is a tirelessly supportive teammate to have in his corner.

Hifumi thinks of Doppo as a friend from childhood who's a bit of a handful.

Sasara:

Sasara thinks of Samatoki as an ex-teammate and fascinating figure.

Sasara thinks of Roshou as his best friend and ex-manzai duo partner.

Sasara thinks of Rei as a like-minded older man and drinking buddy.

Samatoki respects Sasara as a strong, talented individual but recognizes that teaming up with him at this point in his life is just asking for a headache.

Roshou thinks of Sasara as his best friend and ex-manzai duo partner.

Rei thinks Sasara is entertaining, even if his jokes aren't very good.

Roshou:

Roshou thinks of Sasara as his best friend and ex-manzai duo partner.

Roshou thinks of Rei as a pragmatic and affable older man and drinking buddy.

Sasara thinks of Roshou as his best friend and ex-manzai duo partner.

Rei thinks Roshou is entertaining, if a bit too serious for his own good.

Rei:

Rei thinks of the Buster Bros as his sons.

Rei thinks Sasara is entertaining, even if his jokes aren't very good.

Rei thinks Roshou is entertaining, if a bit too serious for his own good.

Rei thinks of Otome as a pawn that he once used to further his own goals.

Ichirou acknowledges Rei as his father but has complex negative feelings about him.

Jirou acknowledges Rei as his father but can't stand him.

Saburou acknowledges Rei as his father but dislikes him.

Sasara thinks of Rei as a like-minded older man and drinking buddy.

Roshou thinks of Rei as a pragmatic and affable older man and drinking buddy.

Otome thinks of Rei as a backstabber who used her like a pawn.

Kuukou:

Kuukou acknowledges Ichirou as a strong, talented individual.

Kuukou thinks of Juushi as found family and is proud to have taken him under his wing.

Kuukou thinks of Hitoya as an obnoxious member of his found family.

Ichirou respects Kuukou as a strong, talented individual but recognizes that teaming up at this point in his life is just asking for a headache.

Juushi respects Kuukou, viewing him as both teammate and master to learn under.

Hitoya thinks Kuukou is one of those damn kids but respects his work as the team's leader.

Juushi:

Juushi respects Kuukou, viewing him as both teammate and master to learn under.

Juushi respects Hitoya, viewing him as both teammate and personal savior.

Kuukou thinks of Juushi as found family and is proud to have taken him under his wing.

Hitoya thinks Juushi one of those damn kids but is proud of his growth.

Hitoya:

Hitoya thinks Kuukou is one of those damn kids but respects his work as the team's leader.

Hitoya thinks Juushi is one of those damn kids but is proud of his growth.

Hitoya thinks of Jakurai as a rival and dear friend.

Kuukou thinks of Hitoya as an obnoxious member of his found family.

Juushi respects Hitoya, viewing him as both teammate and personal savior.

Jakurai thinks of Hitoya as a dear friend he’s known since middle school.

Otome:

Otome thinks of Dice as her son.

Otome thinks of Rei as a backstabber who used her like a pawn.

Otome thinks of Ichijiku as a trustworthy compatriot.

Otome thinks of Nemu as a compatriot and a young woman with a lot of promise.

Dice thinks of Otome as his bio mom.

Rei thinks of Otome as a pawn that he once used to further his own goals.

Ichijiku respects Otome and would follow her to the ends of the earth.

Nemu respects Otome and wants to support her goals.

Ichijiku:

Ichijiku respects Otome and would follow her to the ends of the earth.

Ichijiku thinks of Nemu as a little sister figure and a fellow compatriot in fighting the good fight.

Otome thinks of Ichijiku as a trustworthy compatriot.

Nemu respects Ichijiku and thinks of her as a fellow compatriot in fighting the good fight.

Nemu:

Nemu acknowledges that her and Samatoki's lives have gone in different directions but still loves him dearly.

Nemu respects Otome and wants to support her goals.

Nemu respects Ichijiku and thinks of her as a fellow compatriot in fighting the good fight.

Samatoki acknowledges that his and Nemu's lives have gone in different directions but still loves her dearly.

Otome thinks of Nemu as a compatriot and a young woman with a lot of promise.

Ichijiku thinks of Nemu as a little sister figure and a fellow compatriot in fighting the good fight.

A background information section

↳ Includes information about Miitsu City, Humans and Echoes + the Existence Regulation Bureau

A glossary section

↳ Defines and has important information about Echoes + Legacies

An information from each episode

↳ Bullet list on what gets revealed about the world and characters from each episode of the audio drama

A speculation section

↳ Speculations about the main story, is not based on hard facts, do not take as canon information

An information about each character section

↳ Summerises all the information about a character we can gain from the audio drama

List of known locations

↳ Lists all the locations characters have been in, in the audio drama

List if known Legacies

↳ Lists all the Legacies seen in the audio drama

A general observations section

↳ Practically a fun facts section, just added for fun

Here's the link again!