Tsukasa, a classmate of Yuuri's, is concerned for his well-being after having lost his parents.
That must be it.
.لا بدّ أنّ الأمر كذلك
So muss es sein!
Debe ser eso.
Debe ser eso.
J’en suis sûr.
Non c'è altra spiegazione!
Deve ser isso!
Наверняка так и есть!