The Student Council President's Secret

Kim Yeo-joo: Student Council President, Wanna High School Ong Seong-wu: Student Council President, Wanna High School Park Woo-jin: Student Council President, Wanna High School Park Ji-hoon: Student Council President, Ultra Jjang High School Kim Jae-hwan: Student Council President, Ultra Jjang High School Park So-won: Student Council President, Ultra Jjang High School