you trying to save your friend girl Hana from her death, but you're too late and she died

15 years later, you walking around your town, and suddenly remembered about Hana, you feel guilty for cannot save her in time. Your status abilities showed up and show your new ability, Time Travel

you saw this is your chance to save her this time, this is it, it's the time!

you just realised that you need to become a villain, for her

what are you gonna do?