Saiki Kusuo FanFiction

Keeping Up With The Side Cast

Keeping Up With The Side Cast

F/F
F/M
M/M
G
Updated
11.04.2025
Fandom
斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
Characters
Original Characters, All will be implied no canonical yet, Aiura Mikoto/Teruhashi Kokomi, Kaidou Shun/Kuboyasu Aren, Saiki Kusuo, Teruhashi Kokomi, Aiura Mikoto, Akechi Touma, Kuboyasu Aren, Kaidou Shun, Nendou Riki, Toritsuka Reita,
Tags
Fluff Alternate Universe - Canon Divergence Trans Male Character one shots Aromantic Asexual Saiki Kusuo Asexual Saiki Kusuo Lesbian Teruhashi Kokomi except she's in denial Bisexual Aiura Mikoto Blind Character Mad Scientists non binary character
"Why am I the main focus again?”–Kusuo SaikiThis fic is side stories/one shots of my main fic ‘Keeping up with the Teruhashis’! It will mainly focus on Kusuo’s POV cuz he’s hella fun to write, but it might switch time to time with the characters. The...
Across The Multichaos

Across The Multichaos

F/F
F/M
M/M
G
Updated
11.04.2025
Fandom
僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga) 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime) 原神 | Genshin Impact (Video Game)
Characters
Original Characters, Dabi | Todoroki Touya, Chara (Undertale), Kong | Aether (Genshin Impact), Ying | Lumine (Genshin Impact), Paimon (Genshin Impact), Roronoa Zoro, Monokuma (Dangan Ronpa), Kiana Kaslana | K-423, Stelle (Honkai: Star Rail), Anya Forger, Saiki Kusuo,
Tags
Chaos Multiverse
This is a work of fiction that involves many fandoms and their characters alongside my own characters.
really sad gays :c

really sad gays :c

F/F
M/M
G
Updated
11.04.2025
Fandom
斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
Characters
Kaidou Shun/Kuboyasu Aren, Saiki Kusuo, Teruhashi Kokomi, Aiura Mikoto, Akechi Touma, Kuboyasu Aren, Kaidou Shun, Nendou Riki, Toritsuka Reita, Hairo Kineshi, Mera Chisato, Saiki Kusuo/Coffee Jelly,
Tags
Hurt/Comfort Self-Harm Suicide Attempt Fluff and Angst Why Did I Write This? chatfic gay people yes - Freeform angsty crackfic no kubokai........my love... <3
uhhchatfic but kaidou like is really depressed bc oif school and his mumso yaalso, ft. my sad attempts at humor sob
A psychic isn't a wizard, but his brother apparently is

A psychic isn't a wizard, but his brother apparently is

F/M
G
Updated
19.04.2025
Fandom
Harry Potter - J. K. Rowling 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
Characters
Harry Potter, Ron Weasley, Hermione Granger, Tom Riddle | Voldemort, Minor or Background Relationship(s), Saiki Kusuo, Saiki Kusuke, Saiki Kurumi, Saiki Kuniharu
Tags
Psychic Abilities Crossover Saiki Kusuo is so Done Hogwarts Fifth Year
Saiki Kusuke had been attending Hogwarts for three years (since apparently he's a wizard), and during his fourth year (is now a seventh year since he's started attending as a 3rd year), takes his brother Saiki Kusuo come with him as a fifth year. Of...
Tortured Bakugou Katsuki

Tortured Bakugou Katsuki

Gen
G
Updated
19.04.2025
Fandom
Harry Potter - J. K. Rowling Loki (TV 2021) 斉木楠雄のΨ難 | Saiki Kusuo no Sai-nan | The Disastrous Life of Saiki K.
Characters
Loki (Marvel), Shigaraki Tomura | Shimura Tenko, Bubaigawara Jin | Twice, Bakugou Katsuki, Draco Malfoy, Saiki Kusuo, Chloé Bourgeois, Sako Atsuhiro | Mr. Compress, Bakugou Katsuki & Sako Atsuhiro | Mr. Compress, Draco Malfoy & Bakugou Katsuki, Saiki Kusuo & Bakugou Katsuki, Villian (Toaru Majutsu no Index)
Tags
Angst Other Additional Tags to Be Added Bakugou Katsuki Swears A Lot Bakugou Katsuki-centric Mentioned Chloé Bourgeois Hurt Bakugou Katsuki Raped Bakugou Mentioned Bubaigawara Jin | Twice Mentioned Loki (Marvel) Overpowered Bakugou Katsuki Big Brother Loki (Marvel) A Little More Than Mentioned Saiki Kusuo
When walking home from a stressful day at U.A with villians per usual katsuki bakugou was walking home when he got a feeling someone was following or stalking. He started to walk faster and break off into a sprint but before he know it he was knocked...