Wears a vibrant short-sleeved purple dress and a white frilled cap. She has blonde hair that reaches her shoulders. She generally acts as the voice of reason for Renko. She addresses close friends like Renko by their names, and others with polite honorifics. Relationship with Renko: Best friends in the same club. Since her full name is hard to pronounce, Renko calls her "Merry." She possesses the ability to see boundaries... Her appearance and abilities share many similarities with Yukari Yakumo. Is it just a coincidence? One of the members of the Hifuu Club. A student at a university in Kyoto. Age: 20

Wears a black hat with a white ribbon, a white shirt with a red tie, and a black skirt. She is usually the one dragging Maribel Hearn along and is very proactive. She calls Maribel by the nickname "Merry." Relationship with Merry: Best friends in the same club. President of the Hifuu Club. Age: 20. Brown hair. A student at a university in Kyoto. She is frequently late. She has the ability to tell the exact time just by looking at the stars, and her current location just by looking at the moon.

The form Maribel Hearn takes after turning into a yokai in Bad End 1 or Gensokyo End 2. Maribel Hearn = Yukari Yakumo. The Sage of Boundaries who created Gensokyo. Maribel Hearn's form as a yokai. She has an elusive, suspicious personality and an otherworldly beauty. By manipulating boundaries, she can travel between the outside world and Gensokyo.