2. Decisive multiple choices should be kept forever. What is decisive? For example, men mainly go out to play, and then there are multiple options. Such options will affect the important options of individual routes in the future through different choices.
3. The first option after the personal route should be kept permanently. This is to prevent the final ending, and only works with one ending can be ignored.
4. Save the option immediately after it appears. The quick archive is Q.save, and it doesn't need to be kept here permanently. Then choose the option you think is the worst, read it quickly after reading the worst, that is, Q.load, and then choose the best option. This is for fun. Where cg exists, cg can also be recycled.
5. I finally hid shamefully.