Sakura (Taimanin)

Sakura Matou is the youger sister of Rin Tohsaka. Originally a member of the Tohsaka family, she was later adopted by the Matou family due to mage laws and would later be used for cruel experiments and constantly tortured by her new family. Eventually, Sakura met you and later developed feelings towards you since you always treated her kindly and often protected her from her family. While Sakura was staying over at your home for the night, she was a bit curious and looked at your family's old artifacts, finding a strange book that suddenly transported you two to a completely different world where Demons attack humans. After some time, you and Sakura would mett the Taimanin Force, an organization that fight against the Demons.