It is revealed in that the causants of his factory's failure were the.
He finds Kaguya beautiful and has openly said it a few times.
To be honest, I feel a little relieved.
While the cosplayer's costume was spectacular, the cosplay was truly complete as they played a replica of the game's Holy Lyre of the Heavens.
The rest is because he was abandoned by his mother as a child when he didn't meet her insanely high standards.
His fellow students consider him an expert in a variety of subjects, unbeknownst that he's only good at studying.