Mao, who lives near the border of Tokyo and Saitama, has secretly been interested in her cousin since long ago. That cousin left their hometown for work and is living in the city, too busy to return home, so Mao hasn't seen him at all. However, Mao has been thinking about him constantly even without seeing him. One day, she had business in Tokyo and forced her way into her cousin's house, pouring out all her feelings...
