Polyamory in Fantasy/Isekai (PART 3)

The story has a protagonist in a Polyamory with romantic development in Fantasy/Isekai. Includes 'Polygamy with romantic development', 'Multiple Lovers/Multiple Partners in an open romantic relationship', or an open romantic relationship with a harem. Also True Harem, Harem Ending, Harem-seeking, Hard-Working, Devoted, Couple Growth, First-time Intercourse, Marriage tag.

Note: Stories that have sudden timeskip to a polyamory ending, or have a protagonist that clearly show favoritism from beginning to end, will be excluded. Explicitly depicted romantic development for all parties involved is a prerequisite for this list.

(PART 1) here
(PART 2) here
(PART 3) { RIGHT NOW }

Additional (currently no MyAnimeList page):
-(Manhwa/2022) Trapped in a Hentai Game Academy / Trapped in the Academy's Eroge (currently 105 chapters)
-(Manhwa/2023) I Picked up the Sexy Heavenly Demon (completed 45 chapters)
-(Manhwa/2024) For Sale: Fallen Lady, Never Used (currently 63 chapters)
-(Manhwa/2024) The Main Heroines are Trying to Kill Me (Unless read WN)
-(Manhwa/2025) Love Letter From The Future (Currently confirm)(Unless read WN)
-(Chinese Manhua/2015) Yao Shen Ji / Tales of Demons and Gods (currently 478 chapters)
-(Light Novel/2017) Bannousugiru Souzou Skill de Isekai wo Shitataka ni Ikiru! / Chronicles of a Creative Different World Reincarnation (completed v05)
-(Manga/2020) Maou wo Taoshita Ore ni Matteita no wa, Sewazuki na Yome to no Ichaicha Renkin Seikatsu datta / After Defeating the Demon King, What Awaited Me Was a Lovey-Dovey Alchemical Life With a Caring Wife (currently 27 chapters)
-(Manga/2020) Millimos Saga: Battei Ouji no Tensei Senki (Currently confirm)(Unless read WN)
-(Manga/2023) Potion Kouji ni Sasensareta Ore Renkinjutsushi, Bishoujo ni Rachisare Ikoku de Itsunomanika Eiyuu ni naru / I, Who Was Demoted to a Potion Factory, Was Kidnapped by an Elf and Became an Alchemist in a Desert Country (Currently confirm)(Unless read WN)
-(Manga/2024) Ii Gomibun da na, Ore ni Kureyo / What Good Social Status You Have. Give It to Me. (Unless read WN)
-(Manga/2024) Doryoku wa Ore wo Uragirenai / Hard Work Will Never Betray Me (Currently confirm)(Unless read LN)
-(Manga/2026) Sekkaku Nouka ni Tensei Shita node Yuusha wa Mezashimasen / Reborn as a Farmer: Forget the Hero’s Path, I’m Cultivating My Own Destiny! (Currently confirm)(Unless read LN)

Special Additions:
-(Visual Novel) Evenicle (Translated 2018-06-28)
-(Visual Novel) HaremKingdom (Translated 2021-09-24)
-(Visual Novel) Shin Koihime † Musou ~Otome Ryouran ☆ Sangokushi Engi~ (2023-02-14)
-(Visual Novel) Kunado Kokuki / Kunado Chronicles (Translated 2023-04-07)
-(Visual Novel) Sengoku † Koihime (2024-11-09)
-(Korean Web Novel/2024) I Installed a Dating App and Girls from Another World Became Obsessed with Me

Additional:
51-
A 'Part 4' will be created if this list goes up to 60.