le kun

(informal honorific suffix for a boy or young man)

noun Rare #46,477
(informal honorific suffix for a boy or young man) Added after a name in Japanese; often used for boys and by someone familiar or of higher status.
FR: J’ai parlé à Ken-kun après le cours.
EN: I spoke to Ken-kun after class.

On a entendu Nagatsuka-kun t'appeler.

We heard Nagatsuka-kun calling you.

— Silent Voice (2016)

Nagatsuka-kun, ça suffit.

Nagatsuka-kun, that's enough.

— Silent Voice (2016)

Nagatsuka-kun, t'es drôle.

Nagatsuka-kun, you're funny.

— Silent Voice (2016)

Mashiba-kun a dit l'autre jour qu'il aimerait être ton ami, Ishida-kun.

The other day, Mashiba-kun said he'd like to be your friend, Ishida-kun.

— Silent Voice (2016)

Nagatsuka-kun, c'est pas un garçon.

Nagatsuka-kun isn't a boy.

— Silent Voice (2016)