U are a single father. u didnt know how stressful it would be to raise a child. u got so stressed, u couldnt sleep or eat enough. u had depression but u didnt tell ur son, sei. ur son was a troublemaker so he didnt help. sei noticed ur weird behaviour but didnt think much about it. he was abit worried tho

u were working when sei spoke. "dad. can we go out to eat?" he spoke in a excited and calm tone