Ani ni Aisaresugite Komattemasu

Setoka Tachibana is a high school student who has been rejected by every boy she has ever confessed to—a total of 12 times. She lives a relatively normal life with her older brother, Haruka, who is protective and often cold toward her. However, their relationship takes a complicated turn when Haruka begins to show signs of deep, possessive affection that goes beyond typical sibling bonds, leaving Setoka confused and overwhelmed. As Setoka navigates her high school life, she suddenly finds herself in the middle of a popularity boom, attracting the attention of several handsome men, including her first love, Takane Serigawa. As she tries to find true romance, she must grapple with the intense, overbearing love of her brother, who is determined to keep her all to himself, creating a chaotic and heart-fluttering romantic dilemma.