Mischievous Kiss the Movie Part 3: Propose

Kotoko has always envisioned a future with Naoki, but their plans take a turn when his father's company encounters serious troubles. To salvage the business, Naoki reluctantly agrees to marry the chairman's granddaughter. Heartbroken yet determined, Kotoko attempts to move on by dating Kinnosuke. However, her heart remains tethered to Naoki, making it impossible for her to forget him. As she navigates her feelings, Kotoko must confront her emotions and decide whether to fight for her love or accept the harsh reality of their situation.