After recently taking up swimming, Haruka Sanada asks a former swim-team member for a few pointers. Instead of settling for a simple chat, she slips into a skin-tight competition swimsuit and practices swimming motions and stretches on the bed. As she eagerly closes the distance between them, the swimming lesson turns into a sex lesson. He pulls the swimsuit aside and fucks her without taking it off, showcasing Haruka's deliciously curvy body for competition-swimsuit fans.