Dae-Jin Seo
정여린, 鄭麗吝, スー・タイジ
A smart geek classmate of Ji Cheol. He has good memory and good boy without any fault. He is observative, exploring and has a habit of noting everything. He is famous among friends and stays cool at the times. He controls the Origami beasts in contract with Ling Ling, the spirit of crane.
