Ruin: I Use Everything of You to Love Me

(Pure Love + Super Sweet + Pure Sugar + Slow Burn + Elysia Fanatic + Elysium Devotee + (???) Guess.) Previous civilization: My name is Chang Yuan. My parents hoped I would live a long and complete life, but they died too soon. I transmigrated into my favorite world of Honkai Impact 3rd. But I'm just an ordinary person, powerless to change anything—yet I never give up. Using my foreknowledge, I formed connections with many key figures, especially the pink fairy. I love her, but she was never mine to keep. I'm selfish. Even so, I want her to survive—selfishly, if I must. Present civilization: Sh…