Save others? Save yourself.
Sacrifice yourself? Sacrifice others.
The heroine is probably a growth type... More of a mental growth type.
The system is a little pitiful.
Everything has a reasonable explanation.
Because the amount of information each character obtains is different, everyone's thoughts will be different. So don't trust anyone easily.
There may be insufficient writing skills, so accept suggestions and criticisms.
There may be bugs, and suggestions and criticisms are also accepted.
(But don't come up and make fun of it)
The ultimate reason for writing this article is because I couldn't stand some weird things and was about to wear them out.
PS There is no CP in the full text.
Intention: Self.