Responses
Neko x neko
My vers list
https://www.mangago.zone/home/mangalist/2607185/?filter=&page=1
From what I remember these ones trade off pretty frequently
Neko x Neko
Demon Inside
Wait a Minute! Ore ga Neko Toka Kiitenai!
Like a Tidal Wave - from Pheromone Shower
Pygmalion (No smut until the side stories, but, that's literally all they are)
Verse couple where they often switch during the series. Not when person A is shown to be the top only one time and the rest of the series is the person b is the top