Howahowa functions as Hanako's companion throughout the 1994-1995 anime series "Gakkō no Kowai Uwasa: Hanako-san ga Kita!!", appearing as a grey floating puffball entity. This non-corporeal being consistently accompanies Hanako during her activities to assist schoolchildren confronting supernatural threats. Its form remains a floating puffball, with no elaboration on origin or abilities. Howahowa returns in the 2010 sequel "Gakkō no Kowai Uwasa Shin: Hanako-san ga Kita!!" across all 33 episodes, retaining its visual design and companion role. The character exhibits no significant background, development arc, or expanded narrative function beyond this supportive presence in either series. Howahowa has no documented appearances in other franchise media such as movies, OVAs, or spin-offs.