子供 こども部屋 へやおじさんだったら
kodomoeya ojisandattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 子供部屋おじさん

1. If/When I were a hikikomori/shut-in uncle…; If/When he were a hikikomori/shut-in uncle…

Tara Conditional