ADN-070 Forgive you ... -Secret Affair- Chitose Hara

Shiori is invited by her senior, Natsunako, to go on a hot spring trip. By chance, they meet Furuya, a lover of Natsuko when she was a student, at a hot spring inn where she stayed. The free-spirited Natsunako rekindles her feelings for Furuya, but Furuya falls in love with Shiori at first sight.