Fics like “GASTER X READER”

KFC becomes siblings by Laminated_paper_chain (Deltarune (Video Game), Undertale (Video Game))

Limited-Time Offer by borderlambs (Deltarune (Video Game))

One Taste Could Send a Man to Heaven by Beewritesstuff (Undertale (Video Game))

Souls And Healing by Rough_TimeST0RIES (僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga), Undertale (Video Game), more)

Help! My soul gained a body of its own by Akirathecat (Deltarune (Video Game), Undertale (Video Game))

Persistent Variables by BewareTheDragon1 (Deltarune (Video Game))

At first... by Kera_chan (Deltarune (Video Game), Undertale (Video Game))

Sooner or Later You're Gonna be Mine by Staringback (Undertale (Video Game))

Togore's Totally Normal Life by UnsafePurpoise (Deltarune (Video Game), Undertale (Video Game))

Nothing Worth Loving Isn't Askew by Raccooninyourfridge (Deltarune (Video Game))

Kris performs surgery by PetahPetah (Deltarune (Video Game))

Running in Triangles by NoelleHolidayStanAccount (Deltarune (Video Game))

Grand Servants From the Multiverse by NkoHito (Re:ゼロから始める異世界生活 | Re:Zero Starting Life in Another World (Anime), Fate/stay night & Related Fandoms, more)

Bedside Manners and Guns by absurdmagewrites (Undertale (Video Game), Mafiafell - Fandom)

so that You may Be. (Let There Be.) — UNDER RECONSTRUCTION — by K_imimi (Deltarune (Video Game), Undertale (Video Game))

ASAP-UNHARM by Hatchett (Parahumans Series - Wildbow, Undertale (Video Game))

Losing Dogs (Deltarune (Video Game))

Time for some FUN~ (Deltarune react to...) by DavidProGamer27, Galaxy_Poupee (Deltarune (Video Game), Undertale (Video Game))

Chaos across the Multi-chat by Xandara_gacha (Five Nights at Freddy's, 逆転裁判 | Gyakuten Saiban | Ace Attorney, more)

Physical Therapy by Beewritesstuff (Undertale (Video Game))

Fics like GASTER X READER

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