Call Me, Call.

Suga—a shrewd scout for "Call Me," a gay escort service—approaches Riku, a earnest and seemingly good-natured young man currently struggling to find employment. What begins as a relationship that seems to prey on Riku's deep-seated desire to be needed by someone eventually comes to gently soothe Suga's own jaded heart; yet, in time, it also reawakens a past that Suga would sooner forget...

(Source: Tokyo Mangasha, translated)