Masachika is having trouble studying for exams until Alya decides to wager a favor on how well he does. When Alya discovers she wasn't invited to celebrate Masachika's birthday, she spends several days questioning just how close they actually are.
Since when have you been my big bro?
منذ متى أصبحت أخي الأكبر؟
Seit wann bist du bitte
mein großer Bruder?
¿Desde cuándo eres mi hermano?
¿Desde cuándo eres mi hermano?
Depuis quand tu es vieux, toi ?
E da quando saresti il mio fratellone?
Non abbiamo la stessa età?
Desde quando você é
meu irmão mais velho?
С каких это пор ты старший?