"Can I become her until she can be her?" The new younger sister who was able to remarry suddenly by the parents is anyway cute and gentle

I'm going to fall in love with her girl, "can you become a girlfriend to her brother?" She said, "what do you want to do?" I've heard it! The request is escalated quickly! It is because it is an elder brother, and it is it, and it is it, and it is said that it is an insult. Because it wetted, it is raw insert as it is.