Takuma's Uncle Koshiro drops by unannounced, and cooks some food for Takuma while also giving him food for thought. Takuma decides the time has come for a dicey attempt at introducing his wife Mina to his parents.
The door being unlocked must 
mean he's coming back soon.
‫يبدو أنه سيُغلق الباب حالما يعود.
Da er nicht abgeschlossen hat,
kommt er bestimmt gleich zurück.
Si no cerró con llave
es porque volverá pronto, ¿no?
Si no ha echado la llave
es que volverá pronto, ¿no?
S’il a pas fermé à clé,
c’est qu’il va pas tarder.
Visto che non ha chiuso a chiave,
Se a porta tá aberta,
ele deve voltar logo.
Ну раз незаперто,
значит, скоро вернётся.