Something light hearted (FLUFF) which may or may not be long AF? Anything that I can binge...

The list aint fluff but you'll be binge read them lol. It has the same action type, no harem stories you mentioned

http://www.mangago.me/home/mangalist/824256/

for the fluff part:
http://www.mangago.me/home/mangalist/800775/

Thank y'all so much