[Yamamoto Naoki] Saishin sakuhin-shū dai ichi hen: Renshū | New Series Vol. 1: Practice [Rainash]

A shy schoolgirl challenges her classmates to a game of rock-paper-scissors that quickly spirals into a heated, consensual encounter, featuring playful teasing and intimate acts such as fingering and handjob. The group, dressed in matching uniforms, moves from nervous anticipation to full nudity, their bodies intertwined in a tightly choreographed sequence. The story balances lighthearted schoolyard banter with sensual tension, delivering a vivid, erotic narrative that unfolds across a series of suggestive panels.