might need to change that "to master to" to "to master the"
Yes, but I think that, if I can manage to master the gracefulness of a maiden in the Maiden course,There, there...You told me I should join the Tankery course, yes?Mom will then allow me to practice Tankery.Will you wait for me until then?Erika-chan! I was so lonely!But your mom, the instructor, won't allow that, right?Ah, Erika-chan!!Their promiseIndeed.Erika-chan.But while you were gone, Erika-chan, I did some thinking.Welcome back!!This is how I thought you'd act.There's something different about you.