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.
There you have it. I'll be throwing 
a belated birthday bash.
لكِ ذلك. سأُقيم حفلة عيد ميلاد مُتأخِّرة
Genau! Ich schmeiß eine
Geburtstagsfeier mit Verspätung,
Decidido. Haré una celebración
de cumpleaños atrasada.
Decidido. Haré una celebración
de cumpleaños atrasada.
Voyons…
Bene.
É. Vou dar uma festa de
aniversário muito atrasada.
Ладно. Пусть и с запозданием,
но я решил отметить день рождения.