If you're looking for manga similar to Shimazaki Nana@Shigoto Boshuchuu, you might like these titles.
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…
Binta's childhood friend Ami has chased away every girl Binta has ever liked. Now he likes Momoka, and he's determined not to let Ami get in his way this time.
Hitomi-chan is in the first year of high school. She's good at sports and likes to travel. She has a troublesome tendency to wind up totally naked in unexpected places for unexpected reasons.
Mika Okawa is a sixteen year-old girl with a secret: she’s one quarter werewolf! Despite having to be careful around the time of the full moon, Mika lives a normal teenage life, going to school and even catching the eye of a boy named Masato. However, Masato is not only a bit on the perverted side, but he is also a member of the Mamono Hunter Tribe dedicated to wiping out all monsters, including werewolves! With Masato sensing a peculiar aura around Mika, it’s only a matter of time before he discovers the truth, but what will he do when he finds out?