Allen finds a rare vinyl from Buraikan in a second-hand record shop. Determined to purchase it, Allen takes on part time work. Meanwhile, Akanyatsura’s Hokusai, Satsuki and Reo have their eyes on the same record. 
That was childish of me...
Das war ziemlich kindisch von mir.
Hice algo muy infantil.
C’était immature de ma part.
Mi sono comportato da immaturo.
Que coisa infantil eu fiz...
Как по-детски я себя повёл.