Primary

• Gouki Aratake Junior of Ryuunosuke Kurosaki
• Gouki Aratake Junior of Naoya Shirokawa
• Gouki Aratake Classmate of Aoi Hyoudou

Extended

• Ryuunosuke Kurosaki Idiot Trio-no.3 Ikuto Sarashina
• Ryuunosuke Kurosaki Idiot Trio-no.3 Naoya Shirokawa
• Naoya Shirokawa Idiot Trio-no.1 Ikuto Sarashina
• Naoya Shirokawa Idiot Trio-no.1 Ryuunosuke Kurosaki
• Aoi Hyoudou In love with Misaki Ayuzawa
• Aoi Hyoudou Nephew of Nagisa Hyoudou
• Aoi Hyoudou Nephew of Satsuki Hyoudou