Kimi wa Yasashiku Netorareru The Animation

Synopsis

Rio, Haruta's childhood friend whom he has always harbored feelings for, and her older brother, whom he respects. Rio returns to her hometown for the first time in a long while and visits her brother, whom she has a crush on. She is compelled to wear perverse lingerie by her brother, who has transformed into an entirely different person from before, and is forced to engage in sexual acts in the shadows of a park... There exists a relationship between the two individuals he holds dear, a bond that only Haruta remains unaware of.