Blasphemous Sister‑Obsessed Human TransmutationHollow Heart is a growth‑simulation game built on the theme of blasphemous, sister‑obsessed human transmutation. As the elder sister, you will do whatever you can to resurrect your beloved little sister who has died. Gather materials, strengthen her soul and body, and bring forth a sister who is ever more “perfect” and “complete.” At the end of this profane path, will you truly be able to reclaim the sister you once knew?Human TransmutationYour sister can be revived by offering a body and a sacrifice. To erase the sacrifice’s personality and anchor your sister’s soul, you must fuse different bodies together. Prepare stronger vessels and superior sacrifices to resurrect the ideal little