Kosuda is unexpectedly chosen by Yamada as her first sexual partner, promptin...
B Gata H Kei: Yamada's First Time
Season 1 Episode 11: 2-nen H-gumi no kurisumasu ibu Atashi o beddo ni tsuretette/Kanejou-san ga miteru!? Genkai girigiri 'Nama' housou!
A lavish Christmas celebration serves as the backdrop for Yamada and Kosuda to make a romantic move, but their intimacy is inadvertently broadcasted on a discreetly placed surveillance camera.