Shinkonchuu de, Dekiai de.

A high school student named Sena works multiple jobs to get by. While working as a cleaner, she encounters Kei Ogasawara, a young business prodigy, who unexpectedly proposes marriage. Despite his harsh and cold treatment, Sena begins to develop feelings for him. The story explores why he made the sudden proposal. The manga includes five additional side stories and a special chapter titled "Konya, Sensei no Ude no Naka."