In the empty track and field training room, a second-year student assists his admired senior with her baton-passing drills after hours. Their focused practice soon gives way to light banter and lingering glances that hint at deeper feelings. Rena-senpai starts with gentle surprise at the unexpected closeness, yet her reactions grow warmer and more engaged as the session continues. What began as routine club work evolves into a charged, playful moment that leaves both of them anticipating what comes next.