Stories with romantic development in polyamory, including 'Multiple Lovers/Multiple Partners in an open romantic relationship' or an open romantic relationship with a harem. This requires Love Confessions, Dating, Kissing to be explicitly reciprocated. Also True Harem, Harem Ending, Marriage/Polygamy, Devoted, Hard-Working, Couple Growth, Happy Ending.
Additional (currently no MyAnimeList page):
-(Manhwa/2021) Engineering Beauties (completed 150 chapters)(139)
-(Chinese Manhua/2020) Jia You Shuangsheng Nuyou / I Have Twin Girlfriends 170/? (completed 361 chapters)
-(Manga/2015) Share Kanojo Watashini wa Futari no Kareshi ga Imasu (reverse harem)(completed 6 chapters)
Special Additions:
-(Visual Novel) Kono Oozora ni, Tsubasa o Hirogete / If My Heart Had Wings (Translated 2013-06-28)
-(Visual Novel) Clover Day's Plus (Translated 2023-08-18)
-(Visual Novel) Harumade, Kururu. / Harukuru. - Spring has come true? (Translated 2025-02-21)(There are supernatural elements)
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