Asahi Serina is a swimmer who has been selected as a strengthened athlete in synchronized swimming and competitive swimming. Even just her warm-up swim showcases high-level technique. Such a Serina performs brutal underwater fellatio against three men. Notable is the length of her breath-holding time. Furthermore, in the climax, she engages in unprecedented underwater sex. Her toned, flexible body writhes eerily and enchantingly under water. Of course, the eroticism is unparalleled, so please enjoy the beautiful imagery unique to underwater scenes!
