Zero Succubus in the Territory: Starting with Apprenticeship to the Yi Xuan Sisters

The end of the world, welcome to New Elidu... Wait, why isn't there a "New" in it? Oh my god! How did we end up in Elidu?!
After traversing the Zero Zone, you'll be bound to a favorability system. You can become stronger by accumulating favorability with beautiful women.
But is it Elido before the fall of the old capital? *I* love* you* (Elido profanity)
Faced with impending disaster, what will he choose?
Yi Jiang: My disciple, come to my room tonight.
Yi Xuan: (Stealing a glance) (Blushing)
Hoshimi Miyabi: Please join me in a training called "Growing Old Together".
Ye Shunguang: It was my senior brother who inspired my life.
Remiel: Thank you... for saving Bailey...
Sarah: Ha... You're even going to save someone like me?
And so, what was originally just a way to make life easier for myself changed.
Strong, but as the number of people she's attached to increases, Yi Xue's (Yi's) life becomes increasingly strange.
Yi Xue (Yi): In the past, I only wanted to live a good life on my own. Now, I want to live happily with everyone!
(All female characters will be collected, gender-swapped Zhe will be included, and some NPCs will also be collected) (Not sure if any are missing)