Tenshin Ranman☆Tenka Musou (天真爛漫☆天下無双), roughly translated as "Unrivaled Innocence", is a Samurai Warriors character duet. It debuted at the Hotel de Sengoku Musou in Shinjiku ~Akechi no Shou~ live event before being compiled into the Vocal Best 2 set. The duet is performed by Hikaru Midorikawa and Jun Shikano who respectively voice Mitsuhide Akechi and Gracia in the series.