But… Mako-chan being Alto’s grandfather explains so much about Alto-hime’s reaction to being teased for being so feminine, as he’s running away from the family tradition, yet has the face to be very effeminate. Trapness has a genetic base - it involves physical features which can be passed along family lines, and even explains the hime joke. After all, Touma was one of Chiaki-hime’s subjects for a while..

You see… the secret is this: Mako-chan’s full name is actually Makoto Saotome. After realizing he can no longer go back, he decides to throw himself into a career as a Kabuki performer, eventually founding his own troupe which develops into a dynasty of traps. They end up on South Ataria, and then survive the Superdimensional Fortress’ trip across space. This means that Mako-chan’s grandchild, Alto Saotome, a natural trap - it’s in his blood.

Suddenly, it all comes together! Especially if we assume that Yoshino or Touma is his grandmother, which explains the blue hair and the snarky attitude…