Aspec Stories with Canon Characters:

In which the words are said.

Mine-Kun is Asexual by Isaki Uta (ace)

My Astible by Amupaka * (aroace and demiaroace)

Our Dreams at Dusk by Kamatani Yuhki *-! (aroace)

Is Love the Answer? by Isaki Uta - (aroace)

Sex Education 120% by Takaki Kikiki, Illustrated by Hotomura *+ (aroace)

I Want to Be a Wall by Shirono Honami (aroace)

Scum's Wish Décor by Yokoyari Mengo *+- (aroace) (sequel anthology, haven't read the original)

Ame ga Shinai Koto by Okaya Izumi * (aroace) (they don't say the words but "never falls in love" is just right there)

Bloom into You by Nio Nakatani * (aroace) (demiromantic lesbians)

Kiryuu-sensei wa Renai ga Wakaranai by Haruka Ono * (aroace)

Kanojo ni Naritai Kimi to Boku by Umi Takase *-! (alloace)

Ano Yoru no Pool by Pukupuku (aroallo)

Romantic Killer by Wataru Momose * (aroallo)

Hatsukoi, Catharsis by Nuko Hatokawa * (gayace)

Lilies and Voices Born Upon the Wind by Mei Renjouji *- (aroace) (pan, demiace)

She Loves to Cook, She Loves to Eat by Sakaomi Yuzaki (ace lesbian)

Sensitive Boy by 46 *+! (aroace supporting)

Basically Unconfirmed but Implied Aspec Headcanons (Some Personal, Some Universal):

The Disastrous Life of Saiki K. by Asou Shuuichi (aroace)

Frieren: Beyond Journey's End by Yamada Kanehito, Illustrated by Abe Tsukasa * (aroace)

Oshi no Ko by Akasaka Aka *! (aroallo)

It's Not Meguro-san's First Time by 9℃ *+ (alloace and aroallo)

Doughnuts Under a Crescent Moon by Usui Shio *- (demiaro ace lesbians)

Last Gender: When We Are Nameless by Taki Rei *+-! (arospec aspec)

Umi ga Hashiru End Roll by Tarachine John (aroace)

Fly Me to The Moon by Hata Kenjiro * (aroace)

I Think Our Son Is Gay by Okura *- (aroace)

Renai Daikou by Akasaka Aka, Illustrated by Nishizawa 5mm * (arospec)

Spy x Family by Endou Tatsuya */ (aroacespec) (I'll die on this hill)

One Piece by Eiichiro Oda *+-!/ (aroace)

The Apothecary Diaries by Hyuuga Natsu & Nanao Ikki, Illustrated by Nekokurage *!/ (aroacespec)

Something Like the Dust That Is My World by Amano Shuninta*+- (aroallo)

Seibetsu "Mona Lisa" no Kimi e by Tsumuji Yoshimura *+-! (aroacespec) (kinda bad ideology of gender binary)

Dr.Stone by Riichiro Ingaki, Illustrated by Boichi * (aroace)

Monthly Girls' Nozaki-kun by Izumi Tsubaki * (aroace)

My Love Story!! by Kazune Kawahara, Illustrated by Aruko * (aroace)

Tanaka-kun wa Itsumo Kedaruge by Nozomi Uda * (aroallo)

Skip & Loafer by Misaki Takamatsu * (demiaro? demiace?) (strong platonic relationships)

Dungeon Meshi by Kui Ryoko*!/ (aroace)

Girl Meets Rock! by Kuwahali, illustrated by Tetsuo Ideuchi (aro)