The HeiShin Squad

522:revenge in the blizzard

Aka that one time in middle school when Heiji and Shinichi met, both solved the case but since they each had gotten a clue from their dads and didn’t know the other had, decided not to take it as a victory because they thought the other one was a better detective

So then they both just left

"There are better places to take a nap than on the ground ya' know!"

Chapters: 1/1 Fandom: 名探偵コナン | Detective Conan | Case Closed Rating: General Audiences Warnings: No Archive Warnings Apply Relationships: Hattori Heiji/Kudou Shinichi | Edogawa Conan Characters: Hattori Heiji, Kudou Shinichi | Edogawa Conan, Mouri Ran, Tooyama Kazuha Additional Tags: Established Relationship, Post-Canon, Funny, Tooth-Rotting Fluff, Saccharine As All Get Out, Background Mouri Ran/Tooyama Kazuha Summary:

Series/Fandom: DCMK - Detective Conan 

Rating: Teen and Up

Paring: HeiShin - Hattori Heiji/Kudo Shinichi 

Characters: Hattori Heiji, Kudo Shinichi, supporting DCMK cast

Tags/Warnings: canon, alternative universe - canon divergence, no Conan AU, alternate first meeting, meet-cute, trope-tastic, alternate Ayumi Kidnapping Case 

Word Count: ~5.2k

Prompt: Alternate First Meeting AU

For the: HeiShin_Mystery_Challenge_2026

Summary:

Before attending Ran and Makoto’s karate tournament, Shinichi and Sonoko try to run off the Detective Boys’ energy. During their game of hide and seek, Ayumi gets snatched by some kidnappers.

Before things turn dire, a mysterious motorcyclist tells Shinichi to hop on.

Still You

Remember their first meeting?

Part of Heishin Mystery Challenge 2026 organized by @heishin-nation

Bonus prompt Not!Detective AU: Magical girls AU (but really, their day jobs are still detectives)

How long can he stay here, staring at that in the mirror? That, or him. It doesn’t matter.

They are the same words sounding incoherent in his mind. His mind, yes.

His.

Or; Shinichi having depersonalization and Heiji helped him-

Written for the HeiShin Mystery Challenge 2026

Chapters: 1/1    

Fandom: 名探偵コナン | Detective Conan | Case Closed

Relationships: Hattori Heiji/Kudou Shinichi | Edogawa Conan

Summary: Tonight, Heiji’s dream comes true.

It is a dark and stormy night. And tonight, Heiji’s dream comes true. 

Huge thanks to @heishin-nation for organising the event! And huge thanks to @rux363 and @ineffablequeenoftheuniverse for constantly enouraging me to write for the event!

Beta credits to @sliverofstars as always.

Prompt under the cut.

PS: Check out Rux’s artwork!!