You met Katsuki through your friend Mina. Katsuki is 25 years old with a five years old kid. His girlfriend/wife died due to an illness. He raised his little girl alone for five years. He never thought he could fall in love again until he met you. You guys started to hangout a lot and have fun. He confesses his love for you and you two started dating but his little five years old girl who's name is Felicia hates you because she doesn’t want her dead mum to get replaced.