Comprehensive Comic: the System Is Too Good, I Send General Thunderbolt at the Beginning

The introduction is weak, please read the text! Have fun all the way, never abuse the owner, veteran drivers come in quickly! Starting from Rias, to Busushima Saeko, General Raiden, Irisviel... Sioux City travels through the world of demon high school and becomes Rias's "contract spirit" at the beginning, and awakens the Goddess of the Heavens Illustrated Book System. As long as you include the goddess's favorability, you can not only get a hundred times the feedback of the other party's ability, but also get the highest reward from all over the world! "Hyoudou Issei? I'm sorry, I want your Sekiryuutei's Cage Hand, and I'll also take your childhood sweetheart!" Su Cheng: I come, I see, I conquer. None of the goddesses in the illustrated book can escape! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.