Sinabro (Pre-serialization)

Lee Sihoo grew up in a strict household which valued academic results & fame ..One day, he visited his father's hospital where he met Choi Hyunseong , a young boy from an abusive household whose mother disappeared without a word unable to bear the abuse... The two of them had a brief encounter then they went their separate ways .. Times passed Lee Sihoo encounters Choi Hyunseong who transferred at the end of his third year of middle school....

Original Webtoon:
Naver Best Challenge, Indiket