Bound to the Duke on My Ex-Fiancé's Night

If you binge vertical dramas on your phone, queue this up tonight. On the surface this is a Fantasy serial, but underneath it is a story about wanting what you are not supposed to want — and "Bound to the Duke on My Ex-Fiancé's Night" plays both layers for all they are worth.

Elin breaks off an abusive engagement, awakens a forbidden Purifying Flame, and takes refuge with Duke Cedric — the realm's most feared sorcerer and, awkwardly, the ex-fiancé's uncle. The soul-bound contract slowly stops being tactical, and when a dragon-born army demands their combined fire to wake a sleeping god, the show sends them into the Dragon Bone Abyss to fuse opposing flames. Escalating fantasy romance with an actual destination.

Tropes on the menu: palace intrigue, forbidden love. Come for the premise, stay for the whiplash — every episode ends with a reason to hit next.