"Just shut up SeongWoo!" I shouted out my window. "You love me!" SeongWoo winked. I picked up the stress ball off my desk and threw in across the alley in SeongWoo's window. It hit him in the chest and he fell out of sight. "SeongWoo!" I leaned out my window. I heard him laughing. "I'm ok!" Most of the Wanna One boys are younger in this story. Jisung: 23 Sungwoon: 21 Minhyun: 21 SeongWoo: 19 Jaehwan: 19 Daniel: 19 Jihoon: 18 WooJin: 18 JinYoung: 17 Daehwi: 16 Guanlin: 16