Sei Satome is one of the main characters in the anime series Bakuretsu Tenshi (Burst Angel). As the calm and intelligent leader of the group, Sei manages the operations and logistics for the team of mercenaries. She is known for her composed demeanor, strategic thinking, and resourcefulness, handling finances and providing guidance to her companions. Sei often acts as the voice of reason, keeping the group together and focused. Her strong leadership qualities and cool-headedness make her a vital figure in the team's adventures.