He always lives without forgetting his child's naive mind.

I like watching children play in the park.

How tall is this tree?

He likes climbing tall mountains.

Mount Fuji is the highest mountain in Japan.

His height is 180 centimeters.

Mr. Nagi is my neighbor.

He practices kendo every day with a bamboo sword.

Kougo is my best friend.

Hidebu is my best friend.