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Aquarina always changes when she goes serious, and I had the chance to see her training with her father several times. I don't really want to steal her time with her father, so I have not been able to find the time to ask Shade to teach me his assassination techniques and dagger techniques either.
And I also feel like my father got some sort of rivalry with Shade where they are competing for who teaches the most techniques to their daughters… which worries me a bit, but I have to bear with it as I move forward, I cannot really concentrate into it all the time, right? Yeah…
I wouldn't mind losing against Aquarina, but that seems hard to do and even without putting effort, infinite mana really makes me a cheater in this competition, because I don't exhaust my mana as fast as Aquarina and can use it constantly with my techniques and magic and combine all sorts of spells with techniques swiftly with the power of Mana Usage.
Check "The Protagnist's Sister Is Actually the Strongest"!