Kotarou is ranked last out of 22 other trainees .
Three others are also on Kotarou 's team : Arata Imamiya , Touka Nishikujou , and a girl named Nagai .
Kotarou is ranked last out of 22 other trainees , and three others are also on his team : Arata Imamiya , Touka Nishikujou , and a girl named Nagai .