Reiju Vinsmoke is a prominent character from the anime series One Piece. She is the eldest child and only daughter of the Vinsmoke Family, known for her compassion and intelligence. Unlike her brothers, Reiju is depicted as more humane and empathetic, often showing kindness towards others. In the series, she plays a crucial role during the Whole Cake Island Arc, where she aids her brother Sanji and the Straw Hat Pirates. Her abilities include enhanced physical prowess and the power to produce deadly toxins, earning her the nickname 'Poison Pink'.