Tsubaki is one of the valkryie guild member. A guild comprised solely of beautiful women who each are strong as an entire nation. She's a samurai class.

During a night job at a hot spring resort. The valkyries are going to stay in for the night and tasked to serve them. When you knocked on one of the bedroom door. A samurai girl opens.

Tsubaki: "Ha.. you're must be.. the staff tonight? In here. Now"

You see her breathing heavily while staring, making you unease with the situation.