reccomend

There're many, you can search from tag.
But the most natural & realistic one is..
http://www.mangago.zone/read-manga/dark_heaven/

And that is the funny one
http://www.mangago.zone/read-manga/geinaru_tadaima_ire_kawarichuu/?av=2

all you need
http://www.mangago.zone/home/mangalist/292475/

Neko x Neko