Ryutaro Inukai works as a manager and is pushed to his limits—mentally and physically—by his selfish and cold “ice cold idol” client, Koori. On the very day he finally writes his resignation letter, Koori suddenly tells him, “I’ll be retiring in six months to marry my fiancé.” Just as Ryutaro feels a wave of relief, Koori unexpectedly begins treating him kindly, and her once freezing attitude slowly starts to melt. To make matters even more complicated, the No.1 blonde idol and a serious, class-representative-type idol also begin getting closer to Ryutaro!? What true feelings are hidden behind that icy cold exterior…? ⚠ Romance temperature warning issued ⚠ Your heart will surely melt, too.