The Hero Is Overpowered But Overly Cautious, Vol. 5

In order to learn Valkyrie's ultimate abilities, the Techniques of Destruction, Seiya has begun training with her, but the way they're going about it has Rista more than a little flustered! Whispering "I've...never felt this way before"...while in bed...naked in each other's arms--hold on, how the hell is this supposed to be training?!?!?!?!?!?!