Aoko Masukotto is the main mascot character from the anime series 'Mascot Character.' She is a cheerful and energetic girl who embodies the spirit of the team and encourages her friends to do their best. Aoko is often seen leading the group in various adventures, spreading positivity and hope. Her role is central in uniting the characters and providing comic relief, while also delivering important messages about friendship, perseverance, and teamwork throughout the series.