If you're looking for manga similar to Chikanoko, you might like these titles.
Koharu is single again, so her friends take her to Ni-chōme, the gay district in Shinjuku, Tokyo, to talk about relationships and get drunk.
Tsubaki starts off her brand-new high school life the right way—by visiting an onsen! In the bath, she has a chance encounter with a beautiful black-haired goddess. "Won't you come to an onsen with me?" Pursuing her with fervor, is it possible to have a relationship with someone before you even become friends?