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.
Sorry to always put you out.
.آسفة على  إتعابك دائمًا
Sorry, dass ich immer dich frage.
Gracias, como siempre.
Merci, mon vieux.
Scusami per il disturbo.
Obrigado pelo bom serviço de sempre.
Спасибо, как всегда.