Singer Gil-gu Bong-gu is the third singer of tvN's Monday-Tuesday drama "I Don't Know Much, But I'm a Family" OST. 

"My Day" of OST Part.3 of 'I don't know much, but I'm a family (directed by Kwon Young-il, scripted by Kim Eun-jung, produced by Studio Dragon) will be released on various music sites at 6 p.m. on the 30th, said The Music Works, the agency on the 30th.   

"My Day" is a warm comfort song for those who live as members in an eventful modern society. The heavy yet delicate voice of Gilgubonggu will be added to maximize deep emotion, and the mournful singing will convey realistic and heartbreaking emotions and further increase the drama's immersion. 

"My Day" was written and composed by Dong Woo-suk, a composer who worked on a number of hit drama OSTs, including "I don't know much, but I'm a family," the first OST of "I'm a Family," and Dinner Court, a new emotional singer-songwriter who recently participated in the OST work on "The King: The Eternal Prince."

Debuting with "I'm going crazy" in 2013, Gil-gu Bong-gu, who has established himself as a representative vocal duo in Korea, receiving a lot of love and listening to every song released, such as "I Wish the Wind Blows," "Yes, Love Again," and "We," has once again proved that he has captured listeners with his appealing voice and singing ability to rank high on various music charts. 

Meanwhile, "I don't know much, but I'm a family," a drama about family-like misunderstandings and interests, airs every Monday and Tuesday night at 9 p.m.