Toge Inumaki is important too. His special cursed speech ability makes him stand out. Also, the principal of the school, Masamichi Yaga, is likely to be important as he is in a position of authority and has an influence on Gojo and the other students. There could be other characters like the members of different clans that also play roles in the complex web of the story.
Here are some recommended novels for the female protagonist to cry for help:
1. " Save You ": This novel tells the story of a woman's love story in order to save her husband's happiness while she was terminally ill.
2. " Little Rose ": This novel described a terminally ill but strong and optimistic female protagonist. The relationship between her and the male protagonist overcame the difficulties.
3. " I'll Wait for You in a Billion Stars " was an ancient novel that told the story of the heroine seeking help and salvation in a difficult situation.
4. There Was Someone Who Loved Me Like My Life: This was a heart-wrenching love story. The heroine experienced a tragic ending in love and needed help and salvation.
Please note that the novels recommended above may contain some heart-wrenching and sad plots, but they also show the strong and pleading side of the heroine in a difficult situation.
It's hard to pinpoint exactly where Gojo is at any given time in the manga. His whereabouts change as the story progresses and different scenarios unfold. It could be in a supernatural realm, a mission site, or interacting with other characters.