Nagisa spends her time on vacation with Rika to try to keep Shino from finding out that dating both her and Saki.
for three months to get it right.
.لمدّة ثلاثو أشهر حتى أتقنتها
et j’ai réussi en trois mois.
prima di riuscirci.
durante três meses até conseguir.
чтобы освоить кувырок.