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In the bustling hallways of Seoul University, two worlds collide. Jennie Kim, a disciplined and captivating economics professor, prides herself on upholding order. But when the audacious Jisoo Park roars into her life, rocking the campus with her defiance and charm, chaos ensues. Jisoo, the popular party girl who shuns authority, turns Jennie's structured world upside down. A fiery clash emerges as each refuses to back down from their convictions. Will strict lines hold firm, or can unexpected connections blur the boundaries? Discover the tension, rivalry, and perhaps a hint of chemistry in "Between Rigid Lines."