Yuusha desu ga, Heroine-tachi ni Inochi wo Nerawareteimasu

Frey is the anti-hero who killed his loved ones and doomed the world. But his true goal was to open the hidden route and save the heroines from their fated deaths. Reborn in the past, Frey has a chance to change destiny... until he realizes the five heroines he once killed remember everything, and this time, they want him dead. (Source: Manta)