Mr. Kim is kind!

Hye-yeon, who suffered from trauma due to her father's death in an accident right in front of her when she was young, was put up for adoption when she was 6. She loved her adoptive parents who treated her kindly as if she were their own daughter, but now that she is 18, she doesn't want to live much due to puberty and the presence of an annoying person. This is because of her older brother, Kim Tae-hyung, who annoys the sensitive Hye-yeon. But Hye-yeon thinks she doesn't hate him. Tae-hyung trie