Tenshin Yusa is one of the main characters of Basilisk ~Ōka Ninpō Chō~.
The “brain” of the Five Treasures of Koga at the start of the Ōka Ninja Scrolls, Tenshin is a cautious man and a good advisor. He excels in gathering intelligence and acts as the group’s guard when fleeing. His ninja technique includes casting a net and dropping caltrops in a wide area.