The goddess of love pays a visit to Brunhild, calling herself Touya's older sister, Mochizuki Karen. Apparently she came there to refresh (enjoy a vacation) because Touya is so surrounded by love.
It's an old habit.
إنّها عادة قديمة
Es una vieja costumbre.
Es una vieja costumbre.
Una mia brutta abitudine, sai...
Um velho hábito.
Старая привычка.