Aki, Ryo, and Yuta, childhood friends who grew up on the same island, are 20 years old and start living together in Takadanobaba, Tokyo. Even though their living environments are different: they work part-time at a bar, work as salespeople at a real estate company, and are students at a vocational school for clothing designers, the three are always connected in their hearts. The reason is, the mysterious creatures brought from the island, Touch, have mysterious powers similar to telepathy that connect them with different hobbies and personalities. The friendship between the three should continue, but they discover another hidden power of touch...

Finally, the day of Mai's high school graduation has arrived. While Sakuta eagerly waits for his girlfriend, an elementary schooler who looks exactly like her appears before him. Suspicious, and for all the wrong reasons... Meanwhile, Sakuta and Kaede's father suddenly calls, saying that their mother wants to see her daughter. She was hospitalized because Kaede's condition had been too much for her to bear, so what could she possibly want now?