Please let those middle-aged guys shove their cocks deep inside me... ♡ ★ Partner-swapping with a stranger! Instant *iramatio* (cock-sucking) upon first meeting ♡ ★ Swapping partners and getting pounded by a stranger's cock! Internal vaginal and anal ejaculations lead to a jealous, ecstatic climax ♡ ★ Chizuru-chan gets "semen-trained" while wearing a bunny outfit ♡ A bell attached to her clitoris jingles *chirin-chirin* with every thrust ♪ During a school trip, after having sex with Tamura, Chizuru Shiina was brought straight into the men's bath. That’s when Chisato Mashiro—aka "Chi-chan"—walked in with her middle-aged relative. When Tamura proposed a partner swap upon this chance encounter, the older man was eager to join in. A dream crossover side-story featuring Chizuru from the "Chizuru-chan Development Diary" and Chi-chan from the "Chi-chan Development Diary"!