The first one is Kodocha a Japanese manga series by Miho Obana. The series was adapted as an OVA by J.C. Staff and released on December 16, 1995, by Shueisha under their Ribbon Video label it was first played in TV Tokyo (Japan).

Naozumi Kamura

Natsumi Hayama

Babbit

Rei Sagami

Misako Kurata

Sana Kurata

Akito Hayama

Fuyuki Hayama

 The cheerful, popular, and energetic 11-year-old child actress enrolls in a regular school only to find out there is chaos in the classroom, led mainly by an aloof monkey boy named Akito Hayama is causing chaos in her classroom, and she sets out to stop him and bring peace to her world. However, she soon learns that there is more to Akito than it seems.

Marmalade Boy is a shōjo manga series by Wataru Yoshizumi. It was published by Shueisha in the magazine Ribon from May 1992 to October 1995 and collected in eight tankōbon volumes.

Miki Koishikawa

Arimi Suzuki

Ginta Suou

Yuu Matsuura

Shinichi Namura

Meiko Akizuki

Satoshi Miwa

Two sets of parents divorce and marry each other, while their children Miki and Yuu are caught in the middle and start falling for each other.