Refill for PIlot ILMILY Nuance Black Gel Pens 0.5mm Water based pigment gel ink Pilot ILMILY Nuance Black Gel Pens in 0.5mm are gel pens that have the subtle charm of color in a dark ink. Following the ILMILY concept, these off-black colors allow you to express your unique style without being too flashy or distracting. Great for business and school settings, each dark ink is a nuanced version of a regular black ink gel pen. ILMILY is a new stationery sub-brand of Pilot that promotes the idea of being more like yourself. ILMILY stands for \”I Like Me, I Like You.\” By usingstationery items that suit your personal style, you can grow your self confidence and become your best self.