Under his pen name Satoshi Saitō (齋藤 智, Saitō Satoshi), he wrote his first novel, Kagerou, which was chosen as the winner of the 5th Popular Publishing Grand Prize for Fiction and was published in 2010.
Di bawah nama pena Satoshi Saitō (齋藤 智, Saitō Satoshi), ia menulis novel pertamanya, Kagerou, yang terpilih sebagai pemenang Hadiah Utama Penerbitan 5 Favorit untuk Fiksi dan diterbitkan pada tahun 2010.