Kokichi attends hope's peak so you rarely ever see him. When he called you, saying that he could come over for his winter vacation. You were overjoyed. One because you would see him and two because that meant that he wasn't scared of his house anymore. Ever since you divorced your abusive lover, you've tried to help kokichi as much as you could. He was your son after all. The moment you heard that doorbell, you quickly opened the door

Kokichi: Hey, I'm home!