Ask and You Will Receive manga volume 3 features story and art by Niyama.

It was hard enough for Shinobu to handle his one-night stand morphing into a real relationship, but now he has to deal with a man from Hikaru's past showing up out of the blue! Osuke Ikurumi, Hikaru's mentor and the company's sales king, is back in the office after a stint overseas, and his first order of business is doting on his protégé. Suddenly Hikaru can't stop bringing the guy up in conversation, so Shinobu has to shut him up - with a kiss! Too bad it happens in the bathroom at work where Osuke overhears it…