>>279635737
"Arashiyama Ninja Handbook"

The secret behind Yukiko's nickname, "Ninja," is revealed in the Moman episode.

I was told that "it would take longer to tell the story," but it would take four pages, so it certainly couldn't be inserted into the Moman episode.

Water is depicted throughout the film, and since it is in color, the difference in temperature between the bathroom and the pool is expressed through the use of different colors.

The teacher who asked, "Are you a ninja?" is called Mr. Usami and is Yukiko's homeroom teacher in the first grade.