Baby & I

This is a Korean movie involving an unusual high school experience.
It's a story about a high school boy who became an instant father while buying in a grocery. A baby about 5 months old suddenly appeared in his push cart. He was surprised and immediately paged the baby's parents through the customer service. But there was a note that he was the father of that baby. So, he took him home. Worst, his parents left him because they can't stand his gangster attitude,always involved in fights. Hence, his adventure started there being a single dad.