Mahiro Yasaka is a fictional character from the anime and manga series Kyoukai no Kanata, also known as Beyond the Boundary. She is a high school student who possesses the ability to manipulate blood, which makes her a powerful and unique character in the story. Mahiro is known for her cheerful and energetic personality, often bringing a sense of lightness to the series. Despite her playful demeanor, she faces various challenges and conflicts throughout the narrative, showcasing her growth and resilience as a character.