Memorytale

Sans lost to chara too many times...now, he is stuck in his head, trying to figure out his memories, his life, and his purpose. If he fails to do so, the world as he knows it will colapse and so will everyone he loves. However, if he suceeds, his world is saved and he, himself, for the first time in monster hitory, will have the power to reset the timeline into a better one.

Guided by a mysterious man named W.D, hey must go through the most vital of memories...including childood, kid, teen, and adult memories...all the way up to the timline that broe Sans in the first place. However, they can not ponder long...Chara is right behind them, ready to strike down Sans's soul once and for all...