If you're looking for manga similar to Come On-a My House (Eitatsu), you might like these titles.
"Please, God... I just want to be happy and in love...!" Freshly dumped by a boy he thought could be the one, Naoyuki Shiba takes his friend up on an invitation to a mixer party, hoping to forget his sorrows for a night. But to his surprise, one of the boys there, Shou Yushima, is totally his type! Too bad he's a little strange and acts like a jerk. Shibata's convinced that he's setting himself up for another heartbreak, but there's more going on than he thinks in this cute romcom...
Welcome to the butler harem where sex in suits gets crazy! Shinji is a model and college student who was recruited for a part time job at a fancy manor to be the sex instructor for a group of mysterious, handsome butlers.