Niji no Jikan no Ruka

Ruka is a little girl in a foster home. With no one ever comes to visit her or pick her up, she often ends up fighting with other kids there who likes to tease her over this issues. Finally she decided to ran away from the foster home to find her parent and saw a teenage boy who is being chased after because he stole a box of cigarette. Ruka is scared, and so she hides and later realized that she left Yohane, her favorite plushie doll on the same place that man is hiding.

While she's afraid that her doll is going to be thrown away down the river, the man cleans up the doll, leaves it on the easy to see spot, with a note saying "Lost Item". After the man left, Ruka is touched by this man's action. However, after t...