LZDM-028 My sister's best friend Manami Oura Aoi Kururugi steals her younger sister's attention and boldly seduces her plain older sister into a lesbian

Manami is introduced to her best friend Aoi by her sister Anzu. - One day, Aoi steals the attention of her younger sister in the kitchen, fondles Manami's breasts, and attacks her with tongue kisses. - She decides to stay the night at Manami's house, so she sneaks into Manami's room, wets her nipples with saliva until her tank top gets damp, and licks her sweaty crotch. - From that day on, the two of them made love to each other until dawn, using cunnilingus and cunnilingus, secretly and sometimes boldly so that their younger sister wouldn't find out, covering their young skin with their love juices.