What is oxytocin? Oxytocin is a hormone that's produced in the hypothalamus and released into the bloodstream by the pituitary gland. Its main function is to facilitate childbirth, which is one of the reasons it is called the "love drug" or "love hormone." Oxytocin, like endorphins or serotonin, is a type of hormone in your body that promotes positive feelings. ***•***•***•***•***•***•***•*** Abigail is a distinctive and uncommon individual, often referred to as the "weird bookworm" for her love of thick literature and her tendency to spend long hours in libraries. She possesses an insatiable appetite for knowledge, especially in the field of science, which has made her somewhat of a social outcast. Her elder brother, the famous Park Jimin, has a reputation for his alpha behavior, making it difficult for any guy to approach Abigail without fear of retaliation. To make matters worse, Jimin has two close friends who are always by his side, Jeon Jungkook and Kim Taehyung. However, after they all graduated from school, they went their separate ways and moved to Boston. Abigail was thrilled to learn that she had been accepted to her dream college in Boston, which would inevitably bring her closer to Jungkook and Taehyung. It had been five long years since Abigail had seen her brother's friends, but as she gets to know them again, she begins to uncover secrets from their past that bond their friendship closer. In the midst of all the revelations, Abigail finds herself unexpectedly falling for both Jungkook, the charming playboy, and Taehyung, the enigmatic bad boy. What will Jimin do when he finds out about his best friends crushing on his little sister?