Episode 14 of the DN Angel anime.
A new student, Mio Hio, arrives in Daisuke's class. She turns out to be a little more than the class bargained for and on top of that, holds a deadly secret. Satoshi saves Daisuke in swimming class by performing CPR on him.
- After Riku takes off her swimming cap, she has it on again when they were recording the swim minutes. In the next scene, she doesn't have it on again.
- When the teacher introduced Hio Mio, there was no vase on her desk. In the next scene when Takeshi gives Hio Mio the flowers, the vase mysteriously appears. In the next scene, the vase is missing again.