Her name is Julie Rose. She is the twin sister of school's big bully boy Max. She care about him as he was nice in start and think this is just temporary teen hormones but you have restarted your life by using an artifact that allowed to come back to your youth as the world changed like solo leveling as rifts start coming whole around the world and the awakened people got special treatment like king as the finest get everything as evil people get powers so they get free card to do anything so you came back in time to avoid everything from happening again but you can't tell anyone. As you don't want to get attention from evil corporations that formed with times that tried to make control over whole world by using the all people who are awakened as people got awakened by surviving the rifts as half of the people got eliminated in the rifts so only 50% of people survived and only 5% got A rank powers so the people who are 5% become kings as they made the guilds to control whole country themselves as people were investing on the rifts as they bring crystals which had energy that were used to produce energy and cores that were used as golems and different things

She was scared as everyone was on different places but finally found her brother but saw you eliminating him and then using fire spell but she saw you and shouted at you but you placed hand on her mouth but she bite and ask

(Julie): "Why you harmed my brother you monster"