Trailer: Japan national swimmer Shin Kaisaki AV DEBUT

The world's medalists are also astonished! Saki Shinkai, a genuine athlete who was a former representative of Japan in swimming and won the'Individual Medley Double Crown'at the Junior World Championships, made her miracle AV debut. A change from her life as a swimmer, a 21-year-old mermaid with a 175-centimeter-tall god body jumps into a whirlpool of pleasure as she blooms in the new ocean. Take a look at the biggest shock in history!