C83 Sis Is Very Kind to You

I am the only son of our family. Although I have a sister, we haven't had much contact and my own sister is too young to go out and play with me.

Suddenly, another sister appeared. For a moment, I was still quite nervous, but after being together for a few days, the nervousness and the embarrassment on my face disappeared.

It seems that she has really treated me as her own brother