Re:Zero - Jobless Reincarnation: Succubus Sword God? I don't recognize it!

[Re:Zero - Job Crossing Guide - The Path of the Swordsman, Instant Quest Release]
[Within one hour, gain the favor of Lokisi. Within four days, gain the favor of Rudeus. Mission Reward: Healing Magic Groove - Unlock (2/4).]
"2/4? No! System, you are the swordsman's growth guide, what kind of weird task is this?! What the hell is this about improving favorability?
—
Years later:
"A polymath from the Holy Land of Swords, a succubus sword master from the Magic University, a pillar of support beloved by the Dragon God, a heartless man who would cry when the Water God mentioned him, and the Baron lover that Ariel-sama wanted but could not get. What do you think of the stigma that Rudeus has been called a 'fame-seeking fraud' by the world, Mr. Allen?"
—
"First of all, please don't make up stories about my title. I have the right to hold people accountable. As for Rudy: I ​​have repeatedly emphasized that in my eyes, he is like my child. He does have some inferiority complex and cowardice, but these prove that he is a real person. This era has accompanied his growth. I can say responsibly that he should be a legend."
The next day.
"I have repeatedly stressed that Rudy is my own son. I should take full responsibility for his inferiority and cowardice." - Cats and Dogs Academy tabloid.
—
This book is also known as: I have to live seriously even if I become Alice's brother/I just want to be a sword god, what the hell is the title of succubus sword god?/The starting task is to improve Luo Qixi's favor, you call this the road to sword god?/There is a big problem with my system.
—
[Genius style, swordsmanship is extended and recreated. The main plot is original after the 30th chapter. ]