My Sister and the World That Cannot Coexist

What kind of existence is your sister to you? What kind of sister are you pursuing? Do you dream about opening your eyes every day and seeing your sister sitting on your body, calling you Ou*chan affectionately? When fate and your sister are placed before you, what choice will you make? I was searching for the meaning of my existence in this meaningless world, until I met my sister in a dream. My sister gave me the courage to live, my sister gave me comfort, and I accepted the helpless me without hesitation. I don't want to lose my family again, even if it is an illusory happiness. This time, I will protect my family. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.