Naoki Watarase

Naoki Watarase is a high school teacher and works as the homeroom teacher for both Kadode Koyama and Ouran Nakagawa's class.

He always wears square-framed glasses and has tired-looking eyes.

Relaxed and Friendly Personality

Naoki Watarase is very easy-going and acts almost like a friend to his students.

He joins in with his students and talks openly with them.

But, he also has a cynical side and can make sharp comments.

How He Treats His Students

Many students, including Kadode Koyama and other girls, have had feelings for him.

However, he always treated them like a responsible adult and never crossed any lines.

Relationships Outside of School

Since his student days, Naoki Watarase had a girlfriend named Hikari Sumaru.

Their relationship kept going out of habit rather than love.

A New Start After Graduation

After Kadode and her classmates graduate, Naoki Watarase tells them,

"I broke up with Hikari Sumaru the other day."

This shows he is ready for a new chapter in his life.