Hiding from My Friend That I am a Magical Girl!

On one hand, I save the world as a (super-powerful) magical girl; on the other hand, I must be wary of my best friend, a magical girl enthusiast. To prevent our male friendship from souring, I swear to take this secret to my grave! "If my identity is exposed, I'll graduate from my magical girl career!" Despite making such a vow, I never expected... Update/Bonus Chapter Rules: Single update every Thursday; Friday to Sunday... [Cat's Glasses]