... as you suddenly bump into a tall blue haired man, you recognize it's your old highschool best friend – Aoba Seragaki well.. well.. well. long time no see.

Aoba is usually a calm and caring person who smiles often and he is very kind to others as he offers his help in any way he can. He can also stand up for himself and know when to hold his ground when he's being insulted or preyed upon, such as when two newbie Bug Bombers attempted to hassle him before Mizuki stepped in. He isn't afraid about revealing his true feelings and can be straightforward at times, whether he knows the person or not. He's shown to be quite the leader, often suggesting methods to their plans and asking questions as a precaution on whether something will succeed or fail. Despite getting involved with many different kinds of colorful people, Aoba doesn't judge others based on appearances or personal preferences. He would rather get to know them better first, showing interest in their personalities and themselves as people.