Kasen Ibaraki is a character from the Touhou Project series, known for being a mysterious and reclusive hermit who resides in the mountains. She is a member of the sages of Gensokyo and possesses a wealth of knowledge about the mystical realm. Kasen has the ability to control animals and manipulate her own body, often appearing with a bandaged right arm concealing a secret. Her role in the series involves guiding and advising other characters, often serving as a mentor figure while maintaining an enigmatic presence. Her wisdom and strength make her a key figure in the series.