The End of the World Is Extremely Cold: I Will Use AK to Reason with Everyone

The end of the world + system + multiple female protagonists + continuation of human civilization + super powers The sun suddenly went out after being attacked by an unknown force, and the world fell into darkness (some blue mysterious fragments fell into the blue star). After more than ten days, the sun lit up again, but it turned into an icy blue, no longer radiating any warmth. Wang Jiang awakens to the endless system of life and death. Have sex with high-scoring girls to unlock supplies. A woman becomes pregnant and gives birth to gain the power of life. The protagonist's abilities come from system enhancement and do not require training. They are mainly based on the physics system. They have a super large size, super strength, and super high defense. After four strengthenings, they can feel the gravity of the Blue Star. They can resist gravity and start flying. Later, they can use gravity to do other things. The rest are superpowers who gain ice powers after absorbing mysterious blue crystals.