Spica

Rina's tutor is Jinsuke Matsuo, a rather disheveled-looking college student. It takes Jinsuke two hours to come to her home from the countryside, where he seems to be enjoying the slow life. Hungry for a little stimulation to her all-work-and-no-play summer break, Rina decides to spend four days at his house. They're enjoying a wholesome lifestyle under the same roof ? that is, until something happens that brings out the man in him...!