Andou arrives at the club carrying a guitar to show off. After boasting about, he bets the guitar in a match with Chifuyu, but smashes the guitar in his own mistake. On his way home, he's so focused on his guitar that he forgets his bag in the clubroom and goes back to get it.
I'm sure he's acting this way 
knowing that perfectly well.
أنا على يقين بأنّه على علمٍ مسبق رغم مسرحيته
Debe estar actuando así 
a pesar de saberlo...
Debe estar actuando así 
a pesar de saberlo...
Je suis sûre qu’il le sait très bien,
mais il aime ça…
Sono sicura che stia facendo 
quelle scene pur sapendolo benissimo.
Ele certamente sabe disso,
 mesmo fazendo cena...