Sapphire Judge (Undertale x BNHA Crossover)

Sans world gets reset and he finds himself transformed into a human girl in a world of heroes and crime. She, however, is all alone, her friends and brother all lost to the past, lost to the last world that she now only has in memory. With this new life, she vows to learn to become a hero, so she can save those who ca...

Heroic Souls (Undertale x BNHA crossover)

after a less then event full genocide rough sans tries to escape to the save screen but was interrupted by an unknown force and instead is transformed into a human and teleport-ed into an anime him and Alphys have watched where he meets the pro hero EreaserHead and goes down the path of becoming a hero himself wonderi...