-he is openly bisexual
-he likes kazuichi's punk looking appearance
-before the killing game leon would actually hit on kazuichi (his objective was to make him flustered)
-he listens to my chemical romance
-he smells like monster energy drinks
-leon is very flexible and can do the splits
-yasuhiro and leon had a karaoke night once and they both were trying to impress each other but they ended up embarrassing themselves instead
-leon kissed hiro as a joke once
sorry these were kind of just about romance 😃😜