2x3 - To Be Hero

Since the name of the child in golden pants is "Hikari-kun," Futaba-chan has learned that people who meet in a different world are actually related to acquaintances in the real world. She is taken to Mitsu-kun's secret base, where she joins a little girl with the same name as her best friend Min-chan. We all decided to work together to fight the enemy, but there was a betrayal ...! ??