@Gagweeb & @Mimik - Amduscias (the music judge) conforms to a not-uncommon trope in manga of characters who look and are generally treated male, but view themselves as female. It's more than just being a cross-dresser or gay, but I'm not sure it's quite the same thing as what we consider trans...
@Richman
There are almost as many explanations for the Clark Kent/Superman identity disparity as there are writers of the series. In addition to the "waves" thing, some writers have said its because he carries himself so differently between identities (like, Clark is actually an few inches...
@Darklight99 The last page looked like world-building as well; I think that was supposed Mt. Fuji with a city built on its slopes and the land around it flooded. Looks like the setting is a post-diluvian world.
@RagnMunkeez Well, he probably wants to do some research into why magic has degraded in his absence, as well as get a more well-rounded understanding of its current state (and if there is anything that people have learned in the intervening years that he didn't know before). Plus—seeing as he...
@Granitefish She thought the heart would be "too much" so perhaps meant to change it, got distracted by bro showing up, and then forgot that she hadn't changed it like she planned? Then, when Kishida opened it, she remembered that it was still a heart.