Taishi Odagiri, longing to overcome his short stature hindering his romantic endeavors, seeks the help of the tall and aloof Haruomi Tsukamoto, whom he admires. To his surprise, Haruomi suggests they pretend to be a couple for a period. Willing to step out of his comfort zone, Taishi agrees, aiming to grasp the essence of masculinity. However, their initial date takes an unexpected turn when Haruomi plants a sudden kiss on Taishi.