Shimada, a salaryman, stops by a convenience store on his way home from work. It suddenly starts to rain, and he doesn't have an umbrella, so he "borrows" one that he finds on the umbrella rack. But as he walks along with the umbrella open, he senses a darkness approaching from behind.

Takuya is a very shy boy who has moved out to the countryside to live with his grandfather. Takuya felt he didn't belong anywhere in Tokyo, and even here, he still doesn't fit in with the local kids and continues to fear the eyes of strangers. One day, Takuya stumbles upon a cluster of frog eggs and finds them strangely fascinating.