夜さん [Itsuya-san]

夜さん [Itsuya-san] is a 2-book series with 2 released primary works first released in 2012 with contributions by Mizu Sahara, 佐原ミズ, Sumomo Yumeka, Sahara Keita, 佐原恵太, Chikyuya, さっし, 地球屋, Sasshi, and 夢花李.