[Mizuyoukan] Happening STAR (All chapters + Additional Content)

Follow the evolving relationship of two schoolgirls as they navigate the blurring lines between their athletic lives and their deepening physical desires. What begins with quiet sighs and teenage longing in a classroom setting quickly escalates into a passionate exploration of their bodies. As they transition from school uniforms to shared intimacy, the tension builds through intense physical contact and sensory exploration, testing the boundaries of their femininity and connection.