ブラックボックスなら
burakkubokkusunara
1. If it's a black box; When it's a black box
Noun
#464161
1. If it's a black box; When it's a black box
1. juke-box
1. minivan; people-mover
1. of box; box's
1. in a box; with a box
1. It is a box.; Is a box.
1. Not a box; It's not a box.
1. If it's a box; When it's a box