11 Buddhist monks called Rengyo-shu religiously purify themselves by abstaining from eating meat and hold a training camp, confess their sins to the principal image of Nigatsu-do Hall Juichimen Kannon-zo (Eleven-faced Kannon) and pray for the security of the state and affluent life for the nation.
11人の練行衆とよばれる僧侶が精進潔斎して合宿生活を送り、二月堂の本尊十一面観音に罪を懺悔し、国家安泰、万民豊楽等を願う。