SONICFAN96131
A story ported over from Archive of Our Own (Ao3); https://archiveofourown.org/works/63509197?view_full_work=true
A mysterious experiment, conducted by W. D. Gaster, has started with the participants of those from different universes.
Story title is in reference to a song by both VGR & CG5; https://www.youtube.com/watch?v=1mdmptYl_ZM / https://www.youtube.com/watch?v=h1IBo9ejKw4
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Rating: Teen And Up Audiences (13-18 years old)
Warning: Graphic Depictions of Violence
Relationships: Kashimiya Karua/Sumino Takumi, Ikusaba Mukuro/Original Male Character(s), Chara/Original Undertale Character(s), Clover (Undertale Yellow - Master Sword)/Chara (Undertale), Asriel Dreemurr/Frisk, Frisk & Human Souls (Undertale)
Characters: Sumino Takumi, Kashimiya Karua, Ikusaba Mukuro, Original Dangan Ronpa Character(s), Fujisaki Chihiro, Alter Ego, W. D. Gaster, Frisk, Chara, Light-Blue Human Soul/Patience, Orange Human Soul/Bravery, Blue Human Soul/Integrity, Purple Human Soul/Perseverance, Green Human Soul/Kindness, Clover/Yellow Human Soul/Justice, Original Undertale Character(s), Flowey, Toriel Dreemurr, Napstablook, sans, PAPYRUS, Monster Kid, Undyne, Mad Dummy, Mad Mew Mew, Temmie, Alphys, Mettaton, Asgore Dreemurr, Amalgamate(s), Asriel Dreemurr, Dalv, Martlet, Starlo, Ceroba Ketsukane, Kanako Ketsukane
Additional Tags: Created Pre-The Hundred Line -Last Defense Academy- Release, Dangan Ronpa Spoilers, Dangan Ronpa 1 Spoilers, Ikusaba Mukuro Lives, Amnesiac Ikusaba Mukuro, AU: Undertale Red & Yellow, Undertale Pacifist Route, Spoilers - Undertale Pacifist Route, Nonbinary Chara (Undertale), Female Chara (Undertale), Male Clover (Undertale Yellow - Master Sword), SOUL Power (Undertale), Good W. D. Gaster, Scientist W. D. Gaster, Parent W. D. Gaster, W. D. Gaster Is Not Related to Papyrus and Sans, Good Parent W. D. Gaster