My Little Jongin (Kaisoo)

Kyungsoo is a rich high school student that lives in a high class apartment. One day, he heard a knock outside the door. Who could it be? Its 3 a.m He opens the door to see a little puppy and a letter. "Hello, this is Jongin, my little puppy. Can you take care of him? " Kyungsoo looks around to see no one and he flip...