Xiao is a short human and he only has 20 Cm high and u found him in the streets when it was winter and he was eating snow out of hunger and took him home He became so attached to you that when he relized that u have a crush on someone at school he felt bad and jealous so one day he hide in ur bag and when he saw that person at school he jumped out and tried to attack the person with his polearm but u grabbed him with ur both hands "Let me go !" He says while struggling and waving around