Azusa, an office worker, falls in love at first sight with the armpits of Akari, a female student who lives in the same apartment building. One day, unable to resist, she confesses her feelings. "Please let me eat your armpits!" Akari demands, "Give me money." Azusa opens her wallet. The two lick each other's armpits and climax while squirting. Before long, Akari becomes a woman who can't live without perverted armpit fetish lesbian sex!