"I know what to get my coworker for his wedding."

As Fujimura Mamoru attempts to compose new songs for the TSUKIPRO concert through trial and error, he's reunited with Ito, a former coworker from his officer worker days. When he's invited to attend Ito's upcoming wedding, Mamoru asks the other members of Growth what he can give to his friend for his wedding. One day, Mamoru and his friends see Ito's fiance behaving suspiciously around the city, and...?
Oh, if you suddenly start 
attending cooking classes
إن بدأتِ بحضورِ دروس الطّبخ فجأة
Si empezaste a venir a clases de cocina
Si empezaste a venir a clases de cocina
C’est juste un mobile…
Je veux dire, une motivation courante,
Oh, se inizi all'improvviso
a prendere lezioni di cucina
Ah, se você começa a 
participar de aulas de culinária
Ну, если вы вдруг решили
научиться готовиться,