Jun'ya is very reliable for Haruna, who is a bit of a space cadet. After finishing their assignment, Jun'ya leads as usual and the sex begins, but Haruna touches a certain part of Jun'ya and gets a first-time reaction! Haruna, who has become excited, relentlessly attacks Jun'ya's weak spot, and her excitement doesn't stop as she sees the usually strong Jun'ya letting out increasingly cute sounds...! The content may vary depending on the distribution method.