" My mom said don't accept food from a stranger " Niel pretended whispering to Lily but loud enough for everyone to hear. Lily smiled. ChangJo gave Niel a death glare. " I'm not a stranger. She is my friend " ChangJo claimed. " Oh, really? So, who is she? " Niel continued annoying ChangJo. " Human " ChangJo answered with food in his mouth. " This kid always claim that everybody is his friend " Niel said to Lily. " Really? ChangJo-ah, your birthday is on 16 november, right? " Lily asked. ChangJo nodded happily. " Yes. Look, she is my friend. That's why she remembered my birthday. " ChangJo proud. Niel made an annoying face.