Akechi, for all his attempting to act grownup, also has a huge sweet tooth and would absolutely hang around bakeries while studying. He's also pretty handy with a sword, if Leo wants a sparring partner. Just be prepared for him to be intensely curious about innately supernatural creatures.

....Also, if he trawls around Japanese social media sites, he might have discovered Akechi's food blog, where he embarrasses himself by gushing over whatever meal he's reviewing this week.