[Moririn-Monson] My Girlfriend's Gal-like Onee-san Seduced Me and We had Sex Ch. 5 (COMIC GEE Vol.5)

A shy boyfriend is drawn into a heated encounter with his girlfriend’s seductive older sister and her friends, who eagerly explore every inch of his massive cock. Their playful yet aggressive teasing escalates into intense group sex, featuring deep penetration, multiple orgasms, and explicit acts such as paizuri, blowjob, and facesitting. Just as the climax peaks, a sudden interruption by another girl adds a surprising twist, keeping the tension high throughout the chapter.