Given Riku's unstable condition, Iori takes over as IDOLiSH7's center. The newly reborn IDOLiSH7 gets off to a solid start, both their first namesake show "Lovely Night With You!" and Mitsuki's MCing are well received, and the group's popularity grows.
you should seriously consider 
the offer before responding.
ينبغي أن تعيد النظر جيداً 
في العرض قبل أن تعطي إجابة
réfléchis bien
avant de nous donner ta réponse.
Vedi di pensarci come si deve e dammi una risposta.
deve pensar com cuidado
e dar sua resposta.
тебе стоит серьёзно
подумать перед отказом.