Transmigrated Into a Big Boss to Snatch Away the Cannon Fodder Heroic Death System Rebirth of a Movie Star The Villain’s Younger Sister Boss Level Face-slapping Specialist [Quick Transmigration] Isekai Yururi Kikou ~Raising Children While Being an Adventurer~ Married To The Male Lead’s Father
Not sure of your taste/preferences, but as far as recommendations goes, maybe something like: Isekai Yururi Kikou Kuma Kuma Kuma Bear Housekeeper of the Hundred Blossoms Palace & Kusuriya no Hitorigoto (not harem, but both novels took place (mostly) inside an Emperor's harem palace of fictional ancient CHN (both FMC are maids of the place)) Kumo Desu ga, Nani ka? Isekai Izakaya Nobu BOFURI
The Great Storyteller Soul of Negary The Founder of the Great Financial Family - this one is new but fairly interesting so far The Lazy King
Life, Once Again! I'm Really Not The Demon God's Lackey Genius Prince's Revitalization from State Deficit Common Sense of The Duke's Daughter The Rebirth of the Malicious Empress of Military Lineage Regressor Instruction Manual My House of Horror Supernatural Movie Actor App (bl)
If you don't mind ongoing novel-length stories, the following are off the beaten path and already have a large number of words written, so they still have a good amount of of reading available: Tree of Aeons - can a tree make it in a world full of axes? Chrysalis - no one is going to step on this ant! Other stories (typically long ones) that I read can be found by clicking on the Reading List LINKS under my avatar picture.
Chronicles of Primordial Wars Embers Ad Infinitum Lord of the Mysteries Mother of Learning My House of Horrors My Iyashikei Game Pet King The King's Avatar The Zombie Knight Saga