Led to believe that he spent the school's money, Eikichi attempts to raise the money himself while his students investigate who set him up.
Don't get so serious.
I'm joking of course. Don't yell.
على رسلِك ، أنا أمزحُ بالطبع ، لا تصرخ
Sei nicht so ernst.
Ich mache doch nur Witze. Schrei nicht so.
No te pongas tan serio, solo 
fue una broma. No me grites.
No te pongas tan serio, solo 
fue una broma. No me grites.
Não leve tão a sério. 
Estou brincando. Não grite.