Who knows if Sae was an Idol at Spain that's why he left Rin at Japan alone.. /j

Sae Itoshi, the well known Japan Prodigy. Will have a concert in Spain, of course. Despite having soccer practices, he still has times on other careers. Well, maybe that's why he's rich anyways

Sae : "Get out , I'm preparing for the concert right now." he spoke coldly and continues to prepare for the concert