Trash

Harem, Polygamy :/

https://www.novelupdates.com/series/the-youngest-student-of-the-royal-academy-of-magic-the-strongest-wizard-who-emerges-from-the-poor-city-slums-unmatched-in-a-academy-full-of-nobles/

Harem, Polygamy ♀
https://www.novelupdates.com/series/magic-gems-gourmet/

Harem

https://www.novelupdates.com/series/im-a-humiliated-incompetent-person-but-i-alone-can-talk-to-dragons-so-i-can-choose-all-the-sss-skills-and-loophole-items-i-want-to-im-going-to-become-famous-and-respected-so-to-the-people-wh/

Ecchi, Harem

https://www.mangaupdates.com/series/k2url31/ochikobore-datta-ani-ga-jitsu-wa-saikyou-shijou-saikyou-no-yuusha-wa-tenseishi-gakuen-de-mujikaku-ni-musou-suru

harem, love triangle ♀

source:
https://www.novelupdates.com/series/ryuu-kusari-no-ori-kokoro-no-uchi-no-kokoro/

Harem

https://www.novelupdates.com/series/jitsu-wa-ore-saikyou-deshitatensei-chokugo-wa-donzoko-sutato-demo-banno-maho-de-gyakuten-jinsei-o-josho-chu/

Harem, Polygamy

https://www.novelupdates.com/series/on-the-10th-year-the-transferee-who-gave-up-returning-finally-becomes-the-protagonist/

Harem, Polygamy

https://www.novelupdates.com/series/the-time-mages-strong-new-game-%ef%bd%9ei-returned-to-the-past-to-rewrite-it-as-the-worlds-strongest/

Harem

https://www.novelupdates.com/series/i-was-said-to-be-incompetent-at-home-but-it-seems-that-i-was-super-competent-globally/

Ecchi, Harem -

https://www.novelupdates.com/series/i-the-weakest-of-the-four-heavenly-monarchs-became-the-master-of-both-the-hero-and-the-saintess/