Kimajime Onzoushi to Migawari Fianse

Akane, a good-looking office lady, meets Takahiro, a big company's boss !? Instead of Mayumi, a relative's daughter who disappeared, Akane decides to go out with him. Although he is confused by Takahiro who is serious, he gradually opens his heart and gradually shows Akane a soft smile and conveys his straightforward feelings. And I am attracted to Takahiro. Akane has to leave him as Mayumi's "substitute" ...!?