Wakasama no Dekiai, Okotowarishimasu!

Kotori Hatsuse is a dedicated high school teacher who prioritizes her students' well-being. Her students regard her as a close friend. One day, she accidentally encounters some troublemakers and is rescued by a physically imposing young man. He is Soichiro Haibara, a former student from four years prior, who uses his notable strength to subdue the assailants. After this chance meeting, they agree to have dinner. However, the same troublemakers return. Haibara makes a surprising declaration of protection, which catches Kotori off guard. As he embraces her, she feels a strong emotional reaction.