Even If You Like It a Little Bit

Biological siblings 2 years difference in age The male protagonist is unrequitedly in love with the female protagonist and is a scumbag The younger brother who loves his sister × the older sister who abuses his younger brother The younger brother is too good to make his older sister jealous, until a certain accident causes her resentment to explode, and tragedy begins. All in all, it is a story about a selfish and petty sister who takes advantage of her brother's liking for her and repeatedly deceives her brother. "What it is like to hate someone. As long as you think of him or her nearby, as long as you see him breathing the same air as you, your trachea will feel like it is blocked, sticky with skin and bones, and you can't breathe in or out."