Now that summer break is upon them, the trio try to come up with a plan.
Koizumi-san already has an answer for that, which is to travel all over the nation.
Koizumi-san is finally going nationwide?!
Hakata 
Saga 
Kumamoto
هاكاتا
 ساغا
 كوماموتو
Hakata
Saga
Kumamoto
Hakata
Hakata 
Saga 
Kumamoto