Cô em họ dễ thương, ngây thơ và trong sáng, dường như có tình cảm với tôi, đã bị cậu tôi cắm sừng: part.1

When my parents were transferred overseas, I had to stay at my uncle's house. That's where I met up with my cute, grown-up cousin Yui after not seeing her for a long time. I was attracted to her...