A couple that are enemies, but due to the red string of fate, they end up as lovers. All listed has confirmed romance. Also Enemies to Lovers, Enemies become Allies/Enemies to Allies, Couple Growth, Power Couple, Drama/Tragedy, Heartwarming/Healing tag.
Lead Characters misunderstood/adored by people around them in fantasy/isekai here
Additional (currently no MyAnimeList page):
-(Manhwa/2021) I Am the Fated Villain
-(Manhwa/2025) Love Letter From The Future (Unless Manhwa catches up, need to read Korean Web Novel)
Special Additions:
-(Korean Web Novel/2023) I’ll Live as a Villain Obsessed Over by a Magical Girl
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Anilist Sync