HYOUGA-KEI IDOL NO MANAGER WO SHITEIMASU GA, MOU GENKAI DESU.

Ryutaro Inukai is an talent manager, and he 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 icy attitude slowly starts to melt. To make matters even more complicated, a No.1 blonde idol and a serious, class-rep-type idol also get involved with Ryutaro!? What are the true feelings hidden behind that icy cold exterior…? — Description from AniList community (anilist.co).