The cute blonde boy might be a cousin of Taeju or sibling (I might be wrong) they do look really similar other than the personality difference and height.
Spoiler!
And there he was
a young boy
stranger to my eyes
strumming my pain with his fingers (1time,1 time)
Singing my life with his words (2 times, 2 times)
Killing me softly with his songs
a young boy
stranger to my eyes
strumming my pain with his fingers (1time,1 time)
Singing my life with his words (2 times, 2 times)
Killing me softly with his songs
