Kingdom of Knuffel

Is he from kurohitsugi?

@toxic not on bis own but others like to put him in dresses, in this case a Bad guy thinks he is a girl and this scene happens in a mini series Form the Main anime

@Micky nope

So he is girlish looking?
Is he from an romantic anime?

1 yes
2 no, more action and mysterie and a lot comedy

So this outfit is from a special episode?
Is he a teen or adult?

Yes
And teen the anime has something to do with a classroom XD

Special episodal outfits are always a bot tricky to look up.
Something with a classroom.
Hmm Prison school?

Ahhh i know but this anime is well know because if the Main *yellow thing*

And nope not prison school

Well then I give it a try and google.
Anime+cross dress+ blue haired boy+ classroom (yellow thing)

Edit: first entry that appeared was nagisa shiota from assassination classroom, that right?

Ahhhhhhhhh
Well yes he is
Stupied Google >.<