Ranny Rastati, often called Chibi, is a Researcher at Research Center for Society and Culture-Indonesian Institute of Sciences (PMB-LIPI). She received her bachelor’s in Japanese Studies at University of Indonesia and master’s in Communication Studies at University of Indonesia. Publications include popular books such Ohayou Gozaimasu (2014) and Korean celebrity: Daehan Minguk Manse (2015); articles journal on hijab cosplay (2015), cyberbullying (2016), Islamic manga (2017), media literacy (2018), halal tourism (2018), and cosplay as creative dawah (2019). Her research interests include cosplay, Japan and Korean pop culture, also media studies. Her current research topics are hijab cosplay as preaching Islam, cosplay as contents tourism and halal tourism that have been presented in the USA, Japan, and Southeast Asia. She also manages a nonprofit organization for social activity and voluntary service, Chibi Ranran Help Center (www.chibiranranhelpcenter.com), since 2013. Her works can be viewed via personal blog rannyrastati.wordpress.com. She can be contacted at email@example.com.