These are battle underwear.It's something you wear when you're giving your all in a night battle challenge.I only started listening from when you mentioned "battle".Eh!? That's mine...!!Can't you just not wear it instead if you're going to take it off anyway?A challenge, you say!? I'm always ready to take on a challenge!!bluuuuush—wait, what kind of challenge is it anyway!?Huhhf!? Erm... ah... well... about that...It's se—WAAAAAAAAAAAAAGGGGHHHH!!!Construction!! Yes, a construction challenge!!
