皇宮 こうぐう警察 けいさつだったら
kōgūkeisatsudattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 皇宮警察

1. If/when (I/you/he/she/it/we/they) were a palace police officer; If (I/you/he/she/it/we/they) were to be a palace police officer

Tara Conditional