Kekkon Dekinai Otokotachi(2006)

Kekkon Dekinai Otokotachi

"How about a love relationship with me?"

Felino Felice, fully staffed with gorgeous men, this restaurant is a secret haven known only to a few. One day, Kido Ryusei, an entrepreneur and a regular, becomes smitten with the waiter, Ichinose Kazuki. However, the stubborn Kazuki can’t be wooed in a conventional way. Only when Kazuki opens his heart will the pair have a chance for their love to blossom and grow…

(Source: Fantasy Shrine)