IVE‘s Wonyoung is making fans’ dreams come true with her new iconic costume at a fansign. IVE’s Jang Wonyoung | @for_everyoung10/Instagram Wonyoung left fans in awe when she dressed up as Haruko Agaki from Slam Dunk, the love interest of the protagonist Hanamichi Sakuragi. | anecdote | for days Haruko Agaki Repeating the famous line to…