You Are Obviously the Strongest, but You Are Scarred

(Multiple female protagonists + invincibility + sadistic protagonist) "I also want to become strong and be able to protect my sister," he said. "Okay, Sheng Sheng is the best. My sister is looking forward to the day when you come to protect her." That white-haired figure has been silent since those three months. Later, he added: "Some promises must be made according to one's ability." "Then when I was bullied, I yelled your name, not to calm people down, but to make you feel distressed to protect me." The girl in my arms was very stubborn. "Even you..." In the pouring rain, he put his ear to the girl's lips, but he only heard the girl's soft murmur. Later, he said: "That's it, don't follow me." She was originally dumbfounded, but at that moment, she suddenly grabbed the hem of his clothes. Her eyes, which had regained their vitality because of him, were as clear as living water and sparkling: "I will go with you." Under the clouds, he stood there looking down at the living beings at the foot of the mountain. A ray of sunlight broke through the clouds, not shining on the living beings, but shining on him. (The introduction is too weak, please move to the text)