先生！ MCオリジナル

High schooler Hibiki Shimada finds herself in an unexpected predicament when a love letter meant for another teacher accidentally ends up in the hands of the aloof and enigmatic Mr. Ito. What begins as a simple mix-up soon sparks a connection that neither Hibiki nor Mr. Ito anticipated. As Hibiki navigates the complexities of school life, friendships, and her growing feelings, she discovers that Mr. Ito, despite his cool exterior, hides a caring and thoughtful side. Together, they face the challenges of their unconventional bond, balancing emotions, boundaries, and the dreams of youth. (Unreviewed summary by Grok 2)