Ore ni mo Aitsu ni mo Kokuranaide Kure

The absolute rule for idols is "no love!" Yuto Sato, a struggling man who is having trouble finding a job, happens to become the manager of the popular idol group MINE. He is given an important mission to prevent love scandals! However, the members of the group are starved for male companionship after years of idol life...? The leader of the group, Rira Fujishiro, the absolute center, Momoka Seiten, the fast-paced Sora Mizumi, the cheerful Asuka Kazaharu, and the youngest, Miruru Meisei... their slapstick cohabitation life begins!

(Source: Kodansha, translated)