Gem

Ikumi Aikawa is an "eccentric" university lecturer who is obsessed with the bush warblers of living things.

The students are perplexed by Kazuki's excessively leisurely fieldwork.

Kazuki's trip to the zoo leads to a kidnapping!?

This time, Kazuki is mistaken as a thief in the field.

Ikumi who broke up with her boyfriend plans a tooth-brushing event to get her work done, but she's in big trouble with the children.

Kazuki is upset by Ikumi's sudden tears.

Koichi who rebelled against his mother, runs away from home and goes back to Kazuki.

Yamada tells the truth about the Aikawa family, and the secret of Kazuki's birth is revealed.

Ikumi invites Kazuki to her home. Is there a developing relationship between them?

When Ikumi learns of Kazukii's decision to resign, she also comes up with an idea.