Smart Mobile Jun (voice actor: Riei Dingmiya), an intelligent mobile robot developed by Lange Town to replace manual transportation services.Its inventor Kosaka (Toshimototo) has talked happily with passengers Takashi (Nakada Keisuya), Kana (Yoshihara Tomi), and Yoshikawa (Iwakawa Haruki) today.

At this time, a woman who seemed a little unhappy came - Kazuko (Judy Wenger).For those who do not communicate with people around them and have a cold attitude, passengers began to tell memories through the Smart Mobile Lord.In order to connect the relationship between places and between people, Kosaka and Intelligent Mobile Jun run around Langjiang Town to warm the hearts of passengers!