After Mana's sudden disappearance from her room, her sister, Ako, finds a website on Mana's computer. In Ako's ongoing search for Mana, she notices strange things about the website that she should not have uncovered.

Seiji works on construction sites. He sympathizes with Hosaka just back from Thailand. Together, they spend their evenings in bars with Thai girls. On a construction site, they meet Takeru, a member of the hip-hop collective of the city.