ROYD-325 Chisaki China - Heatstroke? Busty manager’s unaware nursing sparks raging erection and horny sex instead of summer fatigue recovery

The volleyball team's kind-hearted manager, Chisa-senpai, has a habit of unconsciously jiggling her large breasts, which, despite her innocent intentions, often tempts the male team members. One day, after collapsing during practice, the protagonist wakes up to find Chisa-senpai's breasts on his face. He can no longer endure the temptation, even if she is naturally oblivious. He vows to win the national championship if she will have sex with him.