Mizuto and Yume used to date, but now they've suddenly become stepsiblings. Both of them agree that they don't want to do anything that'd disappoint their newly remarried parents. However, neither of them can accept the other as being the eldest sibling in the relationship. So they both agree to settle the matter with a game. Whoever does something in conflict with what people might consider normal sibling behavior, loses. Making them the younger sibling.
You must also consider the time of birth.
.عليك الأخذ بالاعتبار ساعة الولادة أيضًا
Dabei hast du noch gar nicht
die Geburtsuhrzeit berücksichtigt.
La hora del nacimiento también importa.
La hora del nacimiento también importa.
mais pas notre heure de naissance.
Bisogna considerare anche l'orario di nascita.
Você também deve considerar
a hora do nascimento.
Нужно учитывать и время рождения.