SCPX-551 Shirosaki Kyoka, Nao Yuki - During the kissing practice, which was supposed to be just a confirmation... my brother and sister-in-l

What started as a simple kissing practice session, meant only for confirmation, quickly escalated beyond control. The brother and sister-in-law found themselves unable to stop, their bodies aflame with an undeniable heat. Tongues intertwined, lips met with increasing fervor, and what began innocently soon turned serious. Once an erection was noticed, it became impossible not to touch. After giving in to oral pleasure, it was impossible not to go further. The confession followed: 'I ended up having relations with your brother.