In the Gal World of Comprehensive Comics, We Still Need a Weird Knight?

[Comprehensive comics & Galgame (main world) + Weird Knight world + multiple female protagonists] Good news: When I went to college, I awakened my past life memories and system! There is a powerful item like the Emperor Stone at the beginning. Bad news: The Imperial Stone is a battle-damaged version, with compromised potential; The wave of strange abyss that destroyed and eroded several worlds has arrived at our doorstep; There is always the danger of being drawn into a strange world... There isn't much time. However, Duanmuguang said he doesn't take pressure. As long as I have my younger sister at home, Yukino and Saeko at school... Ahem, with these wings, I am invincible! What? Why are there still elves hanging around? ———— The first day I was drawn into a strange world: I was disabled and frail, and I was the most timid and fearful person. The afternoon of the first day when I was drawn into a strange world: fighting means risking your life to protect the people you cherish! The first night of being involved in a strange world: Brothers, who invented the Kamen Rider? If I don't smile for three seconds after getting this thing, I lose. The second day after being involved in a strange world: General Duanmu is mercilessly crushing his opponents. The Nth day of being involved in a strange world: Run! That weird killing machine is here again! Duanmu Guang said it was purely slander. What really bothers him is, How many wings do you want General Duanmu to grow? ! !