Yamanobe-sensei is back, and now he's trying to get everyone in the Sket-dan to play a nutty board game called Hyperion. Everyone except for Himeko, as only men can appreciate this game, supposedly. But the epicness gets Bossun and Switch very enthused about the game, and soon they find themselves heading to the world tournament...
Its companion piece is its 
twin sister, Abrashmo Dutch!
¡Y la pieza contraria es su hermana gemela, Abrashmo Dutch!
¡Y la pieza contraria es su hermana gemela, Dutch Abrashmo!
A peça que a acompanha é sua
 irmã gêmea, Abrashmo Dutch!