The Cupids Series: Kammathep Sorn Kol

Milin is an accountant who economizes. She signs a contract with seven other girls at the Cupid Hut that she will have to find a boyfriend in one year. She's always waiting for Mr. Right, but that's going to change when she meets Saran. Her co-worker also likes Saran. Saran is a rich person, while she comes from a poor family.
(Source: AsianFuse Wiki)