Writing a forced romance plot that feels believable is all about balancing tension and emotional authenticity. The key is to create circumstances that naturally push characters together while leaving room for genuine feelings to develop. For example, in 'Pride and Prejudice,' Elizabeth and Darcy are forced into proximity by societal expectations, but their initial dislike slowly melts into mutual respect. The 'forced' element shouldn't feel like a contrivance—it should arise from the characters' world, like political alliances in 'The Cruel Prince' or survival scenarios in 'The Hunger Games.'
Another trick is to give the characters compelling reasons to resist the romance initially. Maybe one is betrothed to someone else, or they're from rival factions. The tension between their forced closeness and their personal conflicts makes the eventual emotional shift more satisfying. I love how 'Kaguya-sama: Love Is War' plays with this—the protagonists are practically forced to acknowledge their feelings by their friends' meddling, but their pride keeps the dynamic fresh. Small moments of vulnerability, like shared secrets or accidental kindnesses, can make the transition from 'forced' to 'chosen' feel organic.