Supporting Companies

• Toshokan Ryutsu Center Co.,Ltd. (TRC)
• Shogaukan, Inc.
• Alice-kan Co.,Ltd.
• TOPPAN
• Akane Shobo Publishing Co.,Ltd.
• Gakken Plus Co.,Ltd.
• KIN-NO-HOSHI SHA Co.,Ltd.
• SEKAISHISOSHA-KYOGAKUSHA CO.,LTD.
• PHP Institute
• HIKARINOKUNI Co, Ltd
• Kihara Co, Ltd
• FUJIFILM