I believe it s from toddler speak. Have a fact about onee chan. As you probably guessed this is actually related to the japanese honorifics kun 君 chan ちゃん san さん and sama 様 except there is no oniikun.
H O T D High School Of The Dead Opening English Ver Amalee School Of The Dead High School School
Japones Frases Japonesas Palabras Japonesas Vocabulario Japones
