❝ Choi Youn Ju is an orphan who works at Happy Mart in order to survive with her daily life.

Then there was this granfather, he always comes to the shop every morning before going to work.

He was very kind and often talks to her, she then also became very fond of him.

What she doesn't know is that this grandpa is the owner of the famous Lee Company.

What will she do if this grandpa asks her to be the wife of his successor? ❞

Choi Youn Ju

- works at Happy Mart to earn a living

- does not like rich people

- kind towards elders

- best friends with Park Seul Mi

Lee Min Hyuk

- grandson and the heir of Lee Company

- very arrogant, spoiled, total snob

- best friends with Yook Sung Jae

Yook Sung Jae

- owns the largest hotel in Asia

-looks like a flirt but he is friendly, kind, and caring

- his father left him for another woman, his mother passed away when he was a kid

- he is now the one handling their company

BTOB

- group of rich, handsome, and talented guys

- girls all over Korea are falling head over heels for them