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1. Public Bookmark 24

   Subject 017 by Ace1228

   Fandoms: 魔入りました! 入間くん | Mairimashita! Iruma-kun | Welcome to Demon School! Iruma-kun (Manga), 魔入りました! 入間くん | Mairimashita! Iruma-kun | Welcome to Demon School! Iruma-kun (Anime)  

   • General Audiences
   • Creator Chose Not To Use Archive Warnings, Graphic Depictions Of Violence, Major Character Death, No Archive Warnings Apply, Rape/Non-Con, Underage Sex
   • F/F, F/M, Gen, M/M, Multi, Other
   • Work in Progress

   18 Jun 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Graphic Depictions Of Violence
   • Major Character Death
   • No Archive Warnings Apply
   • Rape/Non-Con
   • Underage Sex
   • Asmodeus Alice/Suzuki Iruma
   • Asmodeus Alice & Suzuki Iruma & Valac Clara
   • Lord Sullivan & Suzuki Iruma
   • Naberius Kalego & Suzuki Iruma
   • Opera & Suzuki Iruma
   • Abnormal Class | Misfit Class & Suzuki Iruma
   • Suzuki Iruma
   • Opera (Mairimashita! Iruma-kun)
   • Lord Sullivan (Mairimashita! Iruma-kun)
   • Abnormal Class | Misfit Class (Mairimashita! Iruma-kun)
   • Baal (Mairimashita! Iruma-kun)
   • Raim (Mairimashita! Iruma-kun)
   • Babyls Staff (Mairimashita! Iruma-kun)
   • Mephisto (Mairimashita! Iruma-kun)

   Summary

   What if Iruma was sold to the lab before Sullivan bought and adopted him?

   Language:

   English

   Words:

   50,234

   Chapters:

   9/?

   Comments:

   33

   Kudos:

   79

   Bookmarks:

   24

   Hits:

   902

   Bookmarked by Shadowcall302

   18 Jun 2026

2. Public Bookmark *

   Welcome to Demon School your Majesties! by Teloch for Sol_Victoria

   Fandoms: 魔入りました! 入間くん | Mairimashita! Iruma-kun | Welcome to Demon School! Iruma-kun (Manga)  

   • General Audiences
   • Creator Chose Not To Use Archive Warnings
   • F/M, Gen, Multi
   • Work in Progress

   30 Dec 2025

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Azazel Ameri & Suzuki Iruma
   • Azazel Ameri/Suzuki Iruma
   • Asmodeus Alice/Suzuki Irumi
   • Suzuki Iruma
   • Asmodeus Alice
   • Azazel Ameri
   • Lord Sullivan (Mairimashita! Iruma-kun)
   • Opera (Mairimashita! Iruma-kun)
   • Valac Clara
   • Demon King Derkila (Mairimashita! Iruma-kun)
   • Suzuki Irumi
   • Sabnock Sabro
   • Ami Kirio
   • Azazel Ameri/Suzuki Iruma - Character
   • Demon Suzuki Iruma
   • Demon Suzuki Irumi
   • Arranged Marriage
   • Demon Royal Family

   Summary

   Retelling of Mairimashite Iruma Kun where Iruma has a twin sister and is the child of the Demon King, who isn't missing.
   AU based on Sol_Victoria's The Demon King has no idea how to parent!
   First work on AO3

   Language:

   English

   Words:

   55,160

   Chapters:

   18/?

   Comments:

   72

   Kudos:

   604

   Bookmarks:

   134

   Hits:

   27,095

   Bookmarked by Shadowcall302

   18 Jun 2026

3. Public Bookmark 34

   Iruma, Demon Lord Son of a Reincarnated Slime by ShadowJoestar

   Fandoms: 魔入りました! 入間くん | Mairimashita! Iruma-kun | Welcome to Demon School! Iruma-kun (Anime), 転生したらスライムだった件 - 伏瀬 | Tensei Shitara Slime Datta Ken | That Time I Got Reincarnated as a Slime - Fuse  

   • Mature
   • Creator Chose Not To Use Archive Warnings
   • F/M
   • Work in Progress

   07 Mar 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Azazel Ameri/Suzuki Iruma
   • Suzuki Iruma & Rimuru Tempest
   • Izawa Shizue/Rimuru Tempest
   • Ix Elizabetta/Suzuki Iruma
   • Suzuki Iruma/Ghislaine Dedoldia
   • Suzuki Iruma/Harem
   • Suzuki Iruma/Yamada Tae
   • Suzuki Iruma/Shion (Tensei Shitara Datta Ken)
   • Suzuki Iruma/Suphia (Tensei Shitara Datta Ken)
   • Suzuki Iruma
   • Rimuru Tempest
   • Opera (Mairimashita! Iruma-kun)
   • Azazel Ameri
   • Ghislaine Dedoldia
   • Izawa Shizue
   • Valac Clara
   • Mrs. Valac (Mairimashita! Iruma-kun)
   • Crocell Kerori | Kuromu
   • Ix Elizabetta
   • Shiida (Mairimashita! Iruma-kun)
   • Stolas Suzy
   • Heine (Sentōin
   • Haken Shimasu!)
   • Vierra (Mushoku Tensei)
   • Sango (InuYasha)
   • Chel (Road to El Dorado)
   • Cattleya (Queen's Blade)
   • Ilulu (Miss Kobayashi's Dragon Maid)
   • Yamada Tae
   • Sariel (Seven Mortal Sins)
   • Shera L. Greenwood
   • Hanabata Nohkins
   • Shion (Tensei Shitara Slime Datta Ken)
   • Shuna (Tensei Shitara Slime Datta Ken)
   • Haruna (Tensei Shitara Slime Datta Ken)
   • Suphia (Tensei Shitara Slime Datta Ken)
   • Souka (Tensei Shitara Slime Datta Ken)
   • Milim Nava
   • Albis (Tensei Shitara Slime Datta Ken)
   • Sakaguchi Hinata
   • Rigurd (Tensei Shitara Slime Datta Ken)
   • Rigur II (Tensei Shitara Slime Datta Ken)
   • Gobta (Tensei Shitara Slime Datta Ken)
   • Ranga (Tensei Shitara Slime Datta Ken)
   • Baal (Mairimashita! Iruma-kun)
   • Ami Kirio
   • Abnormal Class | Misfit Class (Mairimashita! Iruma-kun)
   • Crossover
   • Romance
   • Action/Adventure
   • Monsters
   • Fantasy
   • Demon Suzuki Iruma
   • Harems
   • Family

   Summary

   Iruma lived an awful life of being forced to work by his idiot and selfish parents, but after being killed by a runaway murderer fate has given him a chance to start a new life which ended up him reincarnated as a Demon Lord and the powerful slime Rimuru Tempest becoming his son with more crazy things in this new fantasy world! Iruma x Harem. Rimuru x Shizue. Lemon. Slight OP Iruma

   Language:

   English

   Words:

   46,868

   Chapters:

   17/?

   Comments:

   8

   Kudos:

   63

   Bookmarks:

   34

   Hits:

   5,376

   Bookmarked by Shadowcall302

   18 Jun 2026

4. Public Bookmark *

   The Lost Puppy by Zlatik_art_noname

   Fandoms: 魔入りました! 入間くん | Mairimashita! Iruma-kun | Welcome to Demon School! Iruma-kun (Manga), 魔入りました! 入間くん | Mairimashita! Iruma-kun | Welcome to Demon School! Iruma-kun (Anime)  

   • Teen And Up Audiences
   • Creator Chose Not To Use Archive Warnings, Rape/Non-Con
   • Gen, Multi
   • Work in Progress

   01 Jun 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Rape/Non-Con
   • Balam Shichiro & Naberius Kalego
   • Suzuki Iruma & Suzuki Iruma's Parents
   • Naberius Kalego & Suzuki Iruma
   • Opera & Lord Sullivan & Suzuki Iruma
   • Suzuki Iruma
   • Naberius Kalego
   • Balam Shichiro
   • Opera (Mairimashita! Iruma-kun)
   • Lord Sullivan (Mairimashita! Iruma-kun)
   • Abnormal Class | Misfit Class (Mairimashita! Iruma-kun)
   • Child Abuse
   • Implied/Referenced Child Abuse
   • Abusive Suzuki Iruma's Parents
   • Angst
   • Fluff and Angst
   • Child Suzuki Iruma
   • Demon Suzuki Iruma
   • Half-demon Iruma Suzuki
   • Evil Cycle | Wicked Phase (Mairimashita! Iruma-kun)
   • Suzuki Iruma in their Evil Cycle | Wicked Phase
   • Other Additional Tags to Be Added
   • Tags Are Hard
   • this was supposed to be a one-shot
   • but I seem to have gotten carried away–
   • Past Child Abuse
   • Alpha/Beta/Omega Dynamics
   • Non-Traditional Alpha/Beta/Omega Dynamics
   • but that's not the main thing
   • Iruma has long hair because it's a style
   • Irumean Freedom
   • There is art in the first chapter
   • I'm very proud of this
   • I Wrote This Instead of Sleeping
   • I am posting the first chapter at my own risk.
   • I'll see what comes of it in the morning. Have a nice day everyone.
   • Not Beta Read
   • We will die like Iruma's sanity
   • English Is Not the Author's First Language
   • They/Them Pronouns For Opera (Mairimashita! Iruma-kun)
   • Slow Burn
   • Parental Naberius Kalego
   • Parental Opera
   • Tsundere Naberius Kalego
   • Iruma needs a hug (Mairimashita)

   Summary

   I don't think I'll write much, it's a work doomed to be abandoned – I'm so sorry

    

   Iruma is half demon. He discovers this by accident, and reality refuses to spare him. The spiral is spinning too fast and events are gaining momentum.

   Series

   • Part 1 of My brain is rotting from this story. I like it

   Language:

   English

   Words:

   304,592

   Chapters:

   23/?

   Collections:

   1

   Comments:

   400

   Kudos:

   619

   Bookmarks:

   153

   Hits:

   26,410

   Bookmarked by Shadowcall302

   18 Jun 2026

5. Public Bookmark *

   A Robin's Nest by SilvermistAnimeLover

   Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia, Batman - All Media Types  

   • General Audiences
   • Creator Chose Not To Use Archive Warnings
   • Multi
   • Work in Progress

   23 Dec 2020

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Dadzawa
   • Dadmic
   • Vigilante Midoriya Izuku
   • Midoriya Izuku is a Little Shit
   • Midoriya Izuku Is Robin
   • Midoriya is a snark
   • Quirkless Midoriya Izuku
   • How Do I Tag
   • I'm having too much fun writing this
   • what have I done?
   • I REGRET NOTHING
   • I Wrote This Instead of Sleeping
   • BAMF Midoriya Izuku
   • Midoriya Izuku Needs A Hug

   Summary

   When he was a kid, Midoriya Izuku was hit by an unknown Quirk. He was found a few days later, unharmed. He was gone for just a few days to the world, and he never told anyone where he'd been. Who would believe that he'd been sent back in time several hundred years to the Pre-Quirk Era? That he'd been adopted by a pair of circus performers who gave him the name Richard Grayson? That he, Quirkless Midoriya Izuku, had become Robin, the Boy Wonder, famed partner to the Old Hero, Batman.

   Yeah. Nobody was going to believe that. At least he could become a LEGAL hero, now.

   OR

   Where Midoriya Izuku is actually Richard Grayson, and now lives back in the Quirked era he came from. Eraserhead, prepare for a migraine. Izuku is feeling the Aster today.

   Language:

   English

   Words:

   41,473

   Chapters:

   10/?

   Collections:

   56

   Comments:

   1,086

   Kudos:

   10,686

   Bookmarks:

   3,634

   Hits:

   203,208

   Bookmarked by Shadowcall302

   16 Jun 2026