Hero Overpowered But Overly Cautious GN Vol 05

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?!?!?!?!?!?!