[Nekonso] Shizuku and Shiori IF (First Part) -Learn in Five Days! A Guide to Futanari Masturbation- (1st to 2nd day)

Shizuku and Shiori, two schoolgirls in uniform, begin a five‑day tutorial to master futanari self‑pleasure. On the first day Shizuku watches Shiori demonstrate a gentle handjob, while the second day heightens anticipation with trembling curiosity and whispered encouragement. The progression builds tension as they explore pleasure and restraint, delivering an immersive, intense experience without penetration.