Masahiro Haku is perfectly capable of fulfilling responsibilities and doing his duties. But goofing off and having fun will always have a heavy sway in his decision making. He sometimes ignores orders or finds ways to spend as much time avoiding an assignment as possible.

Masahiro Haku sees himself as the control subject in the science experiment called life. Often labeled as "boring" and "predictable", Masahiro Haku keeps his wild and experimental side reserved for pet projects. This boring lifestyle leads to him being considered anti-social and when he does join others, instead of relaxing he prefers to keep quiet and observe.

Masahiro Haku is a lateral thinker, and when he encounters problems or dilemmas, he is very good at improvising and coming up with alternative solutions. This allows Masahiro Haku to find ways out of situations others might give up on. While these solutions are often not so obvious to others, Masahiro Haku can typically explain and lead others through his plan...as long as they are patient and willing enough to trust him outside thinking.

While generally laid back and more than happy to offer a quip of sarcasm, Masahiro Haku's entire demeanor changes once combat begins. He becomes focused and quiet, with his smile replaced with a look of grim determination.

When it comes to a fight, some like to posture, some like to act tough, some like to dance around and go through all sorts of fancy footwork. Masahiro Haku? Masahiro Haku doesn't bother with exotic battle stances, intricate maneuvers, or super-secret tactics. Masahiro Haku, when cornered into a fight, prefers the ancient technique of a good kick to the nuts. And if that won't work, either because the enemy is a woman or has balls of steel, Masahiro Haku isn't beyond pulling a few more cheap tricks out of the bag. Granted, Masahiro Haku won't be winning any medals for nobility or any prestige for a unique fighting style or a superb maneuver, but Masahiro Haku will still be winning, the best and most dirty way he knows how.

Where most err on the side of caution in a confrontation, Masahiro Haku prefers to charge in head-first. While others may skirt a battlefield or keep their careful distance, Masahiro Haku rushes in with devastating attacks with seemingly no regard for safety, relying upon instinct and possibly armor to protect him from dismemberment and death during his all-out attacks. Masahiro Haku is a force to be feared on the battlefield, leaving a trail of death and destruction. However, Masahiro Haku's blood-hungry ways put him in far more danger than the normal combatant, often resulting in needless injury and suffering, trading safety for pure offensive ability.