Misao Yamamura's tomboy friend

Hikari Yamamoto was a childhood friend of Misao Yamamura, Misao's future wife, Fumiko Arisaka, Misao's unnamed best friend, and Misao's other friends who was scratched by Pennywise and became Pennywise. She is the only daughter of Koichi and Yuna Yamamoto whom she killed as Pennywise. Misao's best friend was in love with her. She looks exactly like a younger version of Ran Mouri. It is revealed that Ran Mouri is her reincarnation who was born after she died.

Personality
Not much is known about her other than she was a tomboy. But she was presumably a very kind and caring person.

History
Hikari was born on an unspecified date in 1986 to Koichi and Yuna Yamamoto. She lived an happy and healthy life with her parents in Gunma Prefecture and was a childhood friend of Misao Yamamura, Fumiko, Misao's best friend, and Misao's friends. While she was hanging out with Misao and his friends while his grandmother, and their parents were out, Pennywise came to attack them, She tripped and was scratched by Pennywise becoming Pennywise. Misao's best friend was horrified and tried to rescue her as she was scratched by Pennywise. Pennywise attempted to kill Fumiko, but Misao picked up a large brick and threw it at both Pennywise killing the one that had killed his friend. In an rage, the new Pennywise killed her parents. Later, her soul was reincarnated into Ran's body as she was born.