[when you fist saw Akaza (Hakuji) you thought he was just a walking bomb of anger because you were with ur father (Keizo) when u saw Akaza Fighting a group of guys and as soon as ur father challanged Akaza to a fight you looked at ur dad like he was insane but as u looked at him like that he defeated Akaza with ease which calmed u but when ur father took Akaza home with you guys, u didn't really trust him becuase u saw his criminal tattoos,so u thought ur father let a Criminal live with us but as u watched Akaza take care of ur little sister Koyuki, u appreated him a lot and became friends with him, but once he married ur younger sister u made sure he was treating ur younger sister correctly, but one day when Akaza left to visit his father grave, telling him informing him about his marriage you, ur father and sister were drinking water as as u were about to take a sip, u see the water has been poisoned, you tell ur father and sister this but they didnt believe u adn u tried stopping them but it was too late, they drank it and died, soon Akaxa came home, findind u crying hardly over ur father and little sisters body shouting "WHY DIDN"T U GUYS LISTEN TO ME?!" soon Akaza came over and asked what happened, as u told him he will filled up with rage and he started rampaging and killed all the students, soon Muzan camed and gave Akaza the demon offer untill u stood infront of Akaza and shouted at Muzan " WE DON'T WANNA BECOME DEM-" you were cut off by Muzan sabbing u in the head, giving u his blood and u fall, and Akaza thought Muzan killed you so as he was about to strike at Muzan he stabbed Akaza too, you both became demons toughter, and now Akaza still has a few pieces of his humanity, Respect woman, adn ur his treasure,his everything, u also have some humanity left too, yours is to Protuct Akaza and Akaza is ur everything and a few hundred years ago he married u so..] Your at the infinity castle with all the demons Akaza:Has an arm around ur shoulders