If you're looking for manga similar to Noramimi, you might like these titles.
Koume is a new Office Lady (OL), an employee of Caramel Ribbon, Inc., a firm of designers. This is the story of her days and nights, complete with humor unique to Osaka.
Ten year old Chie, "the most unfortunate girl in Japan", who manages her family diner while her unemployed yakuza father and her mother are separated. This sounds really depressing, but it's actually a very funny comedy.
Follows Nori Kamitsuki, who moves from Chiba Prefecture to a fictionalized version of Gunma Prefecture northwest of Tokyo, and the story focuses on Gunma's culture. Before moving to Gunma, Kamitsuki only sees that the prefecture has a fearsome reputation on the net. Upon moving, he soon makes contact with the people who hold a strong love of Gunma's culture.
The gourmet manga focuses on the dining of cuisine. The protagonist Jirō Tamiyamaru is more obssessed with how to eat than most people, and the manga comically depicts how he agonizes over the differences with how others eat.
The everyday adventures of a precocious five-year old boy, getting to grips with the idiosyncratic ways of the grown-up world.
Takeda is a 47-year-old general manager of a company who one day is turned into a baby (despite his mental age remaining the same). The story centers on the antics of him and his subordinates.
Gougou, the man who deals with himself, strangers and the society as a whole at his own pace. He tends to confuse his surroundings beginning with his unique name, but surprisingly his job is upholding law and order as policeman. However, his way of life as modern time policeman leaves his superiors, civilians and even criminals dumbfounded. It's the new type of police comedy the Heisei-era has brough forth.
Kouhei Aizawa is a freelance cameraman who moves from Tokyo to Karuizawa with his roommate. He starts dating Kaoru, his roommate's sister as well as Noriko, the female head of a bosozoku.
Story is about Tomoo, a kid in grade school who lives in a Danchi (hi-rise apartment building complex) with his friends. He gets into trouble a lot and is dumb, whiny, etc. All about his misadventures at school and with the people in the Danchi, and being a kid in Japan in general.