This film depicts a mixed bathing mission between a virgin guy on a girls' hot spring trip in Atami Onsen. The second group of women is cute and lively, and the erotic scenes are rich. In particular, the second group frequently engages in simultaneous nipple play during intercourse, which enhances the excitement and the direction is quite attractive. Morihinako's ample charm stands out, and she perfectly portrays her role without any sense of incongruity. The actresses in the film are Shirokawa Yuzu and Kuruki Rei in the first group, and Hoshi Ameri and Morihinako in the second group. This is a highly recommended work for nipple play enthusiasts, and it leaves viewers looking forward to future directorial works.