It is revealed in Anise and Dist Gaiden that Tokunaga was given to Anise as a gift from her mother after she became Ion's new Fon Master Guardian. Because of this, the other female candidates for Fon Master Guardian became jealous toward Anise and conducted numerous pranks at her. One day, the other Fon Master Guardians smashed Tokunaga, destroying it. However, Dist, who was in the vicinity, witnessed these events and decided to fix Tokunaga in his laboratory. Among the repairs he performed to Tokunaga, Dist installed a fon-tech addition that would connect to Anise's fonon frequency, allowing Tokunaga to grow larger and thereby enabling its use in battle.