If you're looking for manga similar to Daibouken Hitomi-chan, you might like these titles.
"Prince" Akasaka is the world champion of competitive eating, follow him and his exciting time adventures!
Nana Shimazaki, is a manga artist, but her work doesn't sell well. She's dead broke, without even enough money to pay for AC. Just when all seems lost, she finally gets a request for a commission, but somethings a little different about this job...
Sana Tsukimori is a 10 year old horror star but she can't grab the attention of her older brother.
A girl, insecure about her small breasts, confides in her older sister about the thing she wants most.
Ren Sonoda, 13 year old middle school girl, is abducted by a UFO one night and she finds she has an extra appendage between her legs in the morning! A space chicken promises to return her to normal, but only if she'll help track down an intergalactic fugitive...
One day while in the hot springs, Mitsune begins to regale Motoko, Shinobu and Su about how the progression of relationships can be expressed by the first four letters of the alphabet. A stands for kissing, B for "touching" and C… well, C is for something far more adult. Embarrassed by such adult talk, Shinobu excuses herself and bumps into Keitaro in the main hall; but when the hapless ronin begins talking about his latest grades, the naïve and innocent teenager doesn’t quite know what to make of it…
When Yuuha's girlfriend decided to dress up her very effeminate boyfriend in a Yukata, he takes it personal, accuses her of loving females only and escapes to the fire work festival.