When a new family moves in next door, Nao becomes curious. She is thrilled to learn that the family has two boys - Kyousuke, who is her age and quite attractive, and his younger brother Tomoyasu, who has an unfriendly demeanor and a scary look. After observing their activities, Nao begins to worry about the consequences of being associated with the charming brothers at school. She urges Kyousuke to act with discretion. As a seventeen-year-old who is inexperienced in romance, Nao wonders how she will handle Kyousuke's response.
