Onaji Zemi no Someya-san ga Sexy Joyuu Datta Hanashi 3

Ryosuke's innocent question about situation-based adult films leads them to explore an old, disused university club building. Ryosuke and Ruka wander through the abandoned clubroom. It's a thrilling situation where they're all alone in a place where no one is likely to come, yet they might just get caught by someone! Ruka looks exasperated at Ryosuke, who can't help but get excited at the thought…