Hiyori Morino, also known as Magical ☆ Hiyorin, is a supporting character in the visual novel and OVA series 'Mizuiro.' She is a cheerful and energetic girl who often brings a sense of positivity to those around her. Hiyori has a magical girl alter-ego, Magical ☆ Hiyorin, which adds a comedic and whimsical element to the story. Although not the main protagonist, her playful personality and supportive role help lighten the mood and provide encouragement to the main characters throughout the series.