That summer, the young man has been chasing after his surprising glimpse. His sister's friend Zhi Xia was invited to the house to tutor his younger brother. When Gu Yan returned home, he thought Gu Shiyu was at home and pushed the door open. He saw the unforgettable pictures and people in his life. The delicate skin of a girl never left the girl's sight. That summer also became hot.
Concept: Beautiful big sister vs little puppy brother