Collection of 5 short stories by Yabuuchi Yuu.
Kimi ga Mai Orite Kita
Itou wakes up one morning after a hard night - he got layed off his only job - and finds a highschool girl in his home. The girl, claiming to be running away from home, decides to cook for him for one week in exchange, all the while trying to hide a secret.
Sakura, 9th grader, is frustrated by the fact that all the boys her age are immature. Her wish for a more sophisticated older boyfriend seems to come true when her mom hires a university-age tutor.