もらい息子 じゃない
morai musukojanai
1. Not a foster son.; Not an adopted son.
Noun
1. Not a foster son.; Not an adopted son.
1. internal; domestic
1. wasteful; a waste
2. too good; more than one deserves
3. impious; profane
1. improper; immodest
1. inside a car (train, bus, etc.)