After the failure I♥B experienced in their latest live performance, they've dedicated themselves to practicing. When a senior IChu unit, Lancelot, appears before them, I♥B performs a song perfectly at their request, but the word that comes out of Issei's mouth is one they never expected.
I think I've figured it out.
.أعتقد أنّني اكتشفت الأمر
credo di aver capito.
Sinto que entendi.
всё понял.