Rebirth Started in 1990

What's going on? How did I get reborn? Who am I? Where am I? Didn't I just get green tea? I feel bad. I was reborn when I was drunk. How come I was also a small boss? Now I am reborn in this house and I can't even eat enough. What should I do? I have a paralyzed father in bed and a sister who is two years younger. The whole family relies on my mother to support me. Do I have to support the family? I'm only 15 years old. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.