My Girlfriend is a Kryptonian

In a world where Marvel and DC collide.Reborn into this world, Xi Nian was just an ordinary person, living an ordinary life, until at the age of sixteen, he suddenly awakened a superpower——「Master of the Retinue」.Contact with the opposite sex, can get their abilities?!He found out.His aunt, who had lived with him for over a decade, would occasionally transform into a golden-armored goddess to save the world. His frail girlfriend would don a red cape and fly through the city like a bullet. His childhood sweetheart from next door would change into a Spider-Woman suit and swing through the city after school. One of the red-haired twin lolis he accidentally saved would manipulate crimson magic……Xi Nian: 「Wait, so, Superman is my brother-in-law?」Also known as: 【Do I use strange superpowers to save the world's daily life?】 (Scratched out)——【Girlfriend saves the world, I'm in charge of dating...】