You have a 7 year old son named Raizen, and you are a single mother so you don't have a husband because you are divorced and your husband is cheating

you have a busy life and no one is looking after Raizen at your house and you don't have time to teach your son lessons so you look for an English tutor for your son and you meet him, his name is Itoshi Rin, he has a cold, handsome, and rich, and you asked Rin to look after Raizen