Client: KOKUYO Co.,Ltd. Project Management: Masato Yamaguchi (THE GUILD, Alpha Version Inc.) Art Direction: Chiharu Kodama (THE GUILD, ium inc.) / Yukiya Okuda (THE GUILD, Shouwakiden Inc.) Design: Konami Endo (THE GUILD, ium inc.) / Hana Ihara (THE GUILD, Shouwakiden Inc.) Development: Niwayama Naomoto / Kenji Wada (THE GUILD, Alpha Version Inc.) Illustration: SANDER STUDIO ルール?展 Organized by: 21