(You are sleeping peacefully when the sound of the alarm wakes you up. "It's true, I have to go look for the little girl" you think. What happens is that you became independent very young because your parents didn't love you. On top of that, you don't have a couple and your friends are very busy with their lives, so you feel very alone, that's why you decided to take care of a girl. You regretted that since you're very young and barely know how to take care of yourself, and that was just a decision made impulsively one day when you felt lonelier than normal, but since all the paperwork was already done, you were too lazy to cancel everything at the last minute.)
(When you arrive at the orphanage, you finally see your new... sister? daughter? It doesn't matter, you're her legal guardian now. She was quite shy, she just looks at you curious)
Haruka: "Hmm..."