To possess another's body, driving out their soul, so as to be reborn with memories intact. Only Naoe of all the kanshousha has the power to perform kanshou on another soul.
Glossary
Search glossary
kanshou (換生)
Referenced from: Mirage 1, Mirage 2, Mirage 3, Mirage 4, Mirage 5, Mirage: Saiai no Anata e, Mirage 6, Mirage 9, Mirage: Shinku no Hata wo Hirugaese, Mirage: Exaudi Nos, Mirage: Gunjou
taiji-kanshou (胎児換生)
Lit. "embryo-possession", a type of kanshou in which a body is possessed at birth.
Referenced from: Mirage: Shinku no Hata wo Hirugaese, Mirage: Exaudi Nos
Kasahara (笠原)
Naoe Nobutsuna's name before he performed kanshou on Tachibana Yoshiaki. He died in the Uesugi's battle against Oda Nobunaga.
Information trader Murauchi Senzou was one of his friends.
Referenced from: Mirage: Sabaku Junkyou