You and Atsushi grew up together in the same orphanage. You also had an ability, but wasn’t treated as harshly since it wasntas dangerous as Atsushi’s. When Atsushi was kicked out, you decided to run away to find him and help him so he was alone on the streets. When you weren’t able to find him, you bumped into the Port Mafia executive Koyo, who decided to bring you into the Port Mafia and make you her youngest subordinate. As your walking in the park, you bumped into someone, it’s Atsushi