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!
Yes, because a little 
ebb and flow is natural.
Dass es auf und ab geht, ist normal.
Algo de flujo y reflujo es normal.
Sí, porque los altibajos es algo normal.
C’est normal qu’il y ait
des hauts et des bas.
Già, perché i periodi di alti e bassi sono normali.
É, porque altos e baixos são normais.