Bengoshi-sensei wa Keiyaku Kareshi

Mahiru works diligently at a lawyer's office. One day, she comes home to find that her family is suddenly in financial trouble! Mahiru needs to get 400,000 yen quickly and is looking for a side job when she is approached by the cool but unfriendly Mr. Chugo. The teacher asked Mahiru if she had a boyfriend and proposed that she becomes his fiancée!