Suho

- The oldest son of the Kim family with the age of 29. He is a doctor who is well versed in medicine.

Kyungsoo (D.O)

- Second son of the Kim Family with the age of 26. He is a successful lawyer. He has a calm and reliable personality but can also be very talkative. He cooks, cleans and helps the others study for school.

Lay

- Third son of the Kim Family, aged 25. He has charms of a playboy and womanizing nature, but he is actually a monk.

Chen

- Fourth son of the Kim Family, aged 24. He is a cross dressing novelist who likes watching his older brothers reactions around dara. Chen seems to know almost everyone of his brothers that they have feelings toward dara.

Kai

- The fifth son and one of the triplets aged 23. He is a voice actor alongside his identical triplet brother Tao. He is cheeky and pushy, but is hard-working and is passionate about his carreer. He is madly inlove with Dara.

Tao

- The sixth son and one of the triplets aged 23. Like his identical triplet brother kai, he is also a voice actor. However, he is calmer and less than tenacious than kai, and is usually the one to keep kai in check. He also confesses her love to dara after realizing his feelings for her.

Kris

- The seventh son and one of the triplets also aged 23. Unlike kai and tao, he is a fraternal trip