(W/A/CA) Sakae Saito Youko gets a message from her sister, sending Airi and her off to Tsukuba, a city of research and universities. Then, after a stop to stretch their legs at Lake Kasumigaura, the two find themselves at Motegi Mobility Resort-a motorsport mecca with tons of well-preserved bikes!

(W/A) Sakae Saito Youko and Airi's next stop is Umihotaru, a rest stop in the middle of Tokyo Bay famous for its nighttime view. But with the Aqua-line tunnel from Kawasaki flooded, they're forced to take a huge detour all the way to Chiba. On the way, they make a stop in Akihabara to investigate a mysterious radio signal. Could someone still be alive there??

(W/A/CA) Sakae Saito Continuing their leisurely journey through the post-apocalyptic wastes, Youko and Airi stay the night in Oarai before racing up the Irohazaka slopes of Nikko and visiting the best hidden spots Saitama has to offer. And as they leave the Kanto region, the two climb the Japanese alps to the Nagano Venus Line-one of the best driving roads in Japan!