STARS-772, [STARS-772] The older brother returned home and asked his younger brother to take care of his wife and the ending

My brother and his wife returned home during the Obon summer vacation. My sister-in-law, Ema, whom I met for the first time that day, was young, beautiful, and had outstanding style. Even though she has big breasts, she always wears light clothes so her cleavage is visible and her nipples can be seen through. The secret of a summer with sweaty skin…