Miyoshi Ochiai is a supporting character in Shinkalion: Change the World who serves as a command center operator at the Extra-Evolutionary Railway Development Agency, or ERDA. She first appears early in the series, where she is responsible for deploying the capture wall system and analyzing data on the mysterious enemies known as the Unknown. Her personality is described as sincere and cool-headed, allowing her to remain focused during high‑pressure situations. She works closely with fellow operator Sorachi Iwamizawa under the guidance of Kadomichi Takanawa, providing essential support to the Shinkalion drivers, particularly the main protagonist Taisei Oonari. Outside of her duties, Miyoshi enjoys traveling alone, a hobby that becomes evident when she visits the Kyushu headquarters in the later episodes, where she is notably dressed as a typical tourist with a suitcase. In the manga side story Dive the World, she takes part in an emergency girls’ meeting and offers advice on personal matters, showing a more engaged and sociable side. While her background before joining ERDA is not explored in depth, her role as a capable and reliable operator underscores her importance to the team’s ongoing fight against the Unknown.