There are several side stories in the novel, after the main story ends, where it splits off into different routes. Each route shows Shushu end up with one of the other main characters, including Hestia. Though I'm unclear on the details of each specific route.
Basically it's a "pick the ending you like best" type of thing. There is an actual canon ending with a specific character. But we should be able to see all the different ending possibilities. So anyone who has a specific person they want to see Shushu with, will get that chance.
There are several side stories in the novel, after the main story ends, where it splits off into different routes. Each route shows Shushu end up with one of the other main characters, including Hestia. Though I'm unclear on the details of each specific route.
Basically it's a "pick the ending you like best" type of thing. There is an actual canon ending with a specific character. But we should be able to see all the different ending possibilities. So anyone who has a specific person they want to see Shushu with, will get that chance.