Trash

Harem

https://www.novelupdates.com/series/self-proclaimed-an-ordinary-demonic-heros-life-the-result-of-creating-a-cheat-dungeon-despite-being-a-b-class-demon/

Harem, Polygamy, Netorare

https://www.novelupdates.com/series/a-warrior-exiled-by-the-hero-and-his-lover/

Harem, Ecchi

from novelupdates.com

Harem

https://www.mangaupdates.com/series/s190gch/kanchigai-no-atelier-meister

harem, ecchi

source:
https://www.novelupdates.com/series/jishou-f-rank-no-oniisama-ga-game-de-hyouka-sareru-gakuen-no-chouten-ni-kunrin-suru-sou-desu-yo/

harem. not so good story

source:
https://www.novelupdates.com/series/from-the-strongest-job-of-dragon-knight-to-the-beginner-job-carrier-somehow-the-heroes-are-depending-on-me/

Axel Granz, the strongest dragon knight of them all has switched his job to become a beginner carrier. Relieved that he can finally take off his legendary dragon knight’s helmet and escape the responsibilities of an elite S-class worker, Axel eagerly starts his new, low-class job!

Ecchi

https://www.mangaupdates.com/series/7g4zifn/the-legendary-weapon-is-too-heavy-to-equip

Not good story with stupid protagonist that gave away everything & leave everything to the lady.
https://www.novelupdates.com/series/takarakuji-de-40-oku-atattandakedo-isekai-ni-ijuu-suru/

Indecisive protagonist with love triangle?

source:
https://ncode.syosetu.com/n2163n/

Harem, Ecchi, obsessive love interest

https://www.novelupdates.com/series/a-misunderstood-mentor/

Typical Annoying Harem

https://www.novelupdates.com/series/an-old-man-from-the-countryside-becomes-a-swords-saint-i-was-just-a-rural-sword-teacher-but-my-successful-students-wont-leave-me-alone/