“언제나 한결같은 착한 동생~~ 대성이^^”(Good Dongsaeng (younger

“언제나 한결같은 착한 동생~~ 대성이^^”
(Good Dongsaeng (younger brother/friend) who is always consistent~~ DaeSungie ^^)

Source: Lee Kyungjoon’s instagram (kyungjoon0101)
Translation: @shrimpLJY