If you're looking for manga similar to Nijiyon, you might like these titles.
Narugami Kyoko is a 14-year-old girl with extraordinarily high amounts of static electricity. She shorts out electronics, shocks people, frizzes out people's hair, and makes their clothes full of static. Understandably, most people at school avoid her, except for her friend Hikari. This 4-koma style manga features her humorous everyday school life as she hangs out with Hikari, interacts with teachers, and tries to become closer to her other classmates despite her electricity problem!
Ichinose Akane, a second year in high school, is going to a new school, but once she gets there, she got herself lost. But Ninomiya Aoi, a nice girl who looks like a pretty boy, and Sanjou Midori, a beautiful girl who likes to play pranks, helps Akane. The three realize they're all in the same class, and becomes close friends. Now what kind of adventures will they have?