I Became a Heart Thief in Azure Files

(Content from the Otherworld) ...Wait a minute. I need to clarify a few things first. First of all...I am the Sensei here, and you...are my 'students'? "Yes." Then what are you doing? What do you mean by "developing a special relationship with Sensei, and there's no turning back"? What do you mean by "spending long matches with Sensei..."? What do you mean by "your heart being stolen by the Phantom Thief of Hearts"? "Isn't this what you've been doing all along, Sensei? Under the guise of 'transactions,' under the pretext of 'deepening bonds,' you steal our hearts with each encounter..." Wait a minute...I'm here to save the world, what are you going to do to me?! [List of Bond Relationships] *Ends at the end of Volume [Scepter]