DANDY-894 "How do you masturbate?" A close friend J○ awakens to her first lesbian sex during a school uniform hot spring trip.

Akarai thinks she might take her first trip alone with Kana to commemorate their graduation. Akarai starts noticing Kana while they're in the bath together. Unable to forget what happened in the bath, Akarai secretly masturbates while Kana is sleeping... 'Let me teach you,' as Kana's masturbation guidance becomes the catalyst for their development into lesbians... Akarai and Kana blushingly get hooked on their first kiss.