If you're looking for manga similar to Rainy Cocoa: Side G!!, you might like these titles.
In a corner of Kichijouji, there's a small café where five good-looking young men work... but there's no end to the trouble they cause! Glasses-wearing clean freak Tarou; the womanizing Maki; the ever-penniless Toku; Jun, whose cute face hides terrifying strength; and Minagawa, the patissier who's rumoured to know voodoo...What sort of ruckus will these five cause today?
"Irasshai!" Welcome to the most unruly cafe in Kichijouji and its charming staff of five who have absolutely nothing in common. When tempers rise, so do mop handles, giant boulders and repair bills. Meet Jun, a mild mannered high school student with a sharp tongue and superhuman strength. Tarou, a clean freak with a deadly aim in the art of mopping. Maki, a sloppy, lazy woman chaser. Minagawa, a talented pastry chef equally skilled in the arts of voodoo, and the impulsive, cheerful, though desperately unfortunate Tokumi. A feast of comedy based on the popular Japanese radio drama.
"Rabbits, rabbits!♪" Cocoa sang as she entered the café "Rabbit House."Little did she know that she would spend the next few years of her life there. Follow Cocoa as she makes friends with the quiet and blunt Chino, the strict yet kind military buff Rize, the calm and gentle Chiya, and the elegant yet down-to-earth Syaro!
Momoko is a college student with a passion for owls so she decides to work at an owl cafe. I'm so glad I could have a nosebleed and pass out!
While looking for a part-time job, Sakuranomiya Maika finds herself hired by a café where each waitress plays a different character type. She's got a pretty scary look in her eyes, so for her role, she's asked to play a sadist. As it turns out—and much to her surprise—she's actually quite good at it! Just what sorts of strange, fun situations await her at her new post?
Love? Family? Belonging? Takata doesn't need any of those things; a gay man can't have them anyway. Seno works at the coffee shop that Takata, who is carrying on a relationship with Seno's boss, shamelessly strolls into everyday. Seno despises Takata; after all, he destroyed his boss's marriage! But Seno has made a hurtful assumption. Can Seno convince Takata that the notion of family has nothing to do with a partner's gender?