Ichirin is a former human turned into a nyuudou user. Ichirin has a pleasant personality but can be tenacious at times. She also seems to not be the most confident in herself, however she is kind and understanding.  She is also slightly shy. She has the power to manipulate her nyuudou Unzan. They both work together in fights. Unzan also seems to be very shy and usually only talks to Ichirin, when their alone. Unzan speaks very quietly and protects her. Ichirin also blindly trusts Unzan.