The story revolves around Hikawa Ai, the daughter of renowned fashion designer parents, who lives a somewhat isolated life due to her parents' absence. Despite professional success, she feels the void of not having a romantic partner. To enhance her fashion designing skills and address her lack of physical activity, she starts sharing dance videos and casual chats on a web channel. Responding to interest from her viewers, she plans a meetup after turning 20. However, the meetup takes an unexpected turn as Ai tries alcohol for the first time, leading to intimate encounters with a group of four participants. This experience brings about a significant transformation in her daily life.