DASS-588 When I met my childhood friend for the first time in three years, I found out she had become a stunningly beautiful young woman and we ended up having a physical relationship. Kana Hiiragi

Takaaki, who had been looking forward to meeting his high school friend "Hiiragi" for the first time in a long time, has moved to Tokyo to pursue a career as an actor. He is confused but excited by his feminine friend, and Kana becomes aware of Takaaki and they end up having a relationship.