Rikito Nakamura is a popular Japanese creator on Pixiv and Twitter, best known for school life comedies that often have a supernatural or wacky touch, such as Tragedy of the Girl A and The 100 Girlfriends Who Really, Really, Really, Really, Really Love You. Hamubane is an author of Japanese language manga and light novels known for The 100 Girlfriends Who Really, Really, Really, Really, Really Love You- Secret Love Story and Stamp Dead. Yukiko Nozawa is a popular Japanese creator on Pixiv and Twitter known for pin-up art as well as erotic comedy manga series, such as Eguchi-kun Doesn't Miss a Thing and The 100 Girlfriends Who Really, Really, Really, Really, Really Love You.