DD Fist of the North Star

Yes, Let's Go to the Nurse's Office / A Serious Bicycle Death Road (2x3)

:

The brothers' next mission is to travel to the nurse's office and retrieve band-aids, but they're forced to rush around the school when they find out the office has moved. Nurse Yuria sends the brothers a postcard inviting them to join her in Hokkaido, so they off on Toki's bicycles to join her on her vacation. With a hundred hostages cheering him on, Shuu challenges Thouzer to a fight.