His actions are always refined, as the character '彧' suggests.

Yuu is my best friend.

He wore a pendant shaped like a wave around his neck.

He dug into the data to extract information.

His name is Yuu, and he is always relaxed.

He used a reel to wind the thread.

The scent of this yuzu is very refreshing, isn't it?

Yuzu is my best friend.

Yuzu is my best friend.

His success was due to the existence of effort and talent.