I went to a social gathering and found out that everyone except me was a lesbian. (BBAN-613)

"I never thought I'd be taken home by a girl…!" Ruka, who has always longed for a boyfriend, decides to attend a mixer at a friend's invitation. To her surprise, everyone there is a woman, and they're all lesbians! Ruka doesn't want to ruin the atmosphere and tries to brush it off casually, but the lesbians completely ignore her, relentlessly pursuing Ruka, who is straight… Her body, heightened by alcohol, is subjected to this onslaught of pleasure, and in this intensely erotic mixer where she's at a complete disadvantage, she gradually succumbs to lesbian-style ecstasy!