It's the same old club room, but the vibe between Io and Ryuu has changed. Have they had a fight? But then again, the others reason, they didn't get along very well back when they first joined the club... Then, when a fight breaks out, the cold war between the two second-years ends up getting the Battle Lovers in big trouble!
But instead of forming a train 
like you might be thinking,
Und scheinbar können
die sich auch aneinander reihen …
Pero en vez de hacer un tren,
Pero en vez de hacer un tren,
Et du coup…
Ma invece di formare un treno,
come potreste pensare,
Mas ao invés de formar um trenzinho 
 como vocês devem estar imaginando,