If you're looking for manga similar to Haikou Dolls, you might like these titles.
Washizu Miri, a second year high school student, is a small 148cm tall girl who has acquired a reputation for being violent and dangerous.
They say the world is going to end in five days. Now what to do until then? Follow Fuji, Touko and Nitaka on their last school days preparing for the end of the world. Meanwhile, Niino, a clumsy devil, announces that she’s going to destroy the world in five days from now. The hilarious chaos is complete now.
Echo-Pun is a 4-koma about Eiko and Haruka, two childhood friends who loved superheroes and pretended to be heroes while playing together. While in grade school, Eiko had to move away, but the two promised to meet up again in high school and become superheroes for real. Haruka grows up into a normal girl, and upon entering high school, she suddenly meets her old friend Eiko. Eiko, however, is wearing a costume, fighting bullies, and calling herself Echo, a superhero. Haruka tries to keep Eiko out of trouble with both the bad guys and the disciplinary committee president, a girl named Kamikaze Shiori who, for some reason, seems quite interested in Eiko. Can Haruka lead her old friend to the stable side of society, or will Echo drag Haruka further into the world of alter egos, costumes, and justice than she's ever gone before?
Mundane problems happen every now and then. While not life-changing, they certainly can get someone in a pretty pickle! Luckily Nanige-san shows up around those close to her and helps out.
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?
A poison-attribute heroine makes her appearance! This chaotic, high-school comedy focuses on the circumstances of this poisoned, poisonous girl and the unusual people surrounding her!