"Hatsumi" is a 19-year-old working as a shop clerk at a downtown Tokyo goods store. Despite her innocent appearance, she has a surprisingly masochistic side and actively embraces restraint play, exceeding expectations with her responsiveness. An avid anime fan, she's recently been deeply drawn to Sheryl from "Mac●ross F." Usually reserved, she delivers unexpectedly intense reactions during this session, leaving viewers astonished by her passionate responses.