To write a compelling romantic storyline, one must first understand the seven most common succubus archetypes in Keiyaku narratives. Each creates a fundamentally different relationship dynamic.
The relationship always begins in the gutter. The human protagonist is typically at his lowest: exiled from his order, dying of a curse, or seeking revenge. The Succuber, meanwhile, is either imprisoned in a relic or fading due to lack of faith in the mortal world. Inma Keiyaku Sex Succubers
Example Storyline: "The Knight of Hollow Vows" – Sir Aldric, a disgraced paladin, summons the Succuber Lyra not for lust, but for a tactical alliance to reclaim his homeland. Lyra, who has been betrayed by previous contractors, agrees only because his soul smells of "burnt duty"—a scent she finds novel. To write a compelling romantic storyline, one must
The romantic spark here is distrust. Their first interactions are a cold negotiation: "You get my flames; I get your life force. Do not mistake this for affection." This transactional stage creates a hard shell that makes the eventual cracking of emotions far more satisfying. Notable poly romance dialogue:
Sera is a Succuber who feeds on aesthetic longing—the feeling of seeing a beautiful sunset alone. Her storyline is slow-burn and melancholic. The human must learn to paint, compose poetry, or craft music to "feed" her properly. Their romantic arc culminates not in a kiss, but in her finally weeping because he painted her portrait from memory—something no one has ever done. She becomes human-passing by the end, choosing mortality over eternity.
“You’re not a toy anymore. You’re… our anchor.” - Lilim