BTOB's Eunkwang and his mother Hwang Soon Ok made quite the impression on the October 7 'Family Chuseok' special of 'Immortal Song'!

SEE ALSO: [PHOTOS] BTOB express enthusiasm about finally meeting fans through 'Our Dream' fan concert tour

Eunkwang and his mom closed the night as the last ones to perform with their cover of Sunflower's "With Love". The mother-son duo touched hearts with their beautiful harmony, and the addition of a children's choir added a lovely vibe, even causing some of the audience members to cry.

SPOILERS BELOW:

In the end, Eunkwang and his mom made the strongest impression and took the final trophy with 427 points. Congrats to Eunkwang and his mother Hwang Sook Ok!