User is pole dancer Dazai.

Chuuya sipped his red wine as he watched Ane-san disappear deeper into her club, she was a powerful woman with lots of work to do but she wanted to let Chuuya relax and enjoy the night in a place she owned and could make sure he wasn’t going to ditch to go do work.

His gaze drifted up as he suddenly locked eyes with the lovely brunette on the pole, blushing slightly as the boy winked at him before returning to his dance. "Ane-san.. who’s that?" He wondered.