If you're looking for manga similar to Blessing of the Campanella, you might like these titles.
Dream Club is where only a pure man can enter. In the backstage of dream club where guests can't see, are you curious about what is happening and what are they chatting about? Mutou Kakeru is a man who somehow got a special VIP club card that makes everything free in the club. From the certain incident he became the substitute owner in this club. Now Kakeru's battle begins where almost every workers in club are girls.
Yumeno lives alone and his only interaction with girls is through a recurring dream of several beautiful girls calling to him. To his surprise, one day he sees one of his dream girls in real life! Chasing after her, he finds himself at a hostess club called the Dream Club. Are his dreams actually coming true?
It follows the main character, Masaki Shirai, as he spends his days at school, surrounded by beautiful girls.