【Genso Space】Secrets of the Cats

A doujinshi published in September 2003.
An older cat, a boy, becomes conscious of a new cat, a girl, who is becoming more and more like a girl. He can’t stand it and starts to touch her, but the girl is surprised and rejects him, and when the relationship becomes awkward, the boy’s potential bride arrives and things get complicated.
An erotic comedy about a girl with natural black hair and a boy with brown skin.
I’m not a human with cat ears, I’m a cat. It’s about a girl who is ashamed and a boy who is full of desire.