It looks like you're asking for a report on the phrase — possibly a typo or shorthand for the popular Netflix film series To All the Boys I've Loved Before , which features a character named Josh (Josh Sanderson).
Here’s a brief report based on the likely interpretation: Character Analysis: Josh Sanderson in To All the Boys I've Loved Before josh to all the boys
Josh Sanderson is a key supporting character in Jenny Han’s To All the Boys I've Loved Before series (books and films). He is the longtime neighbor and former best friend of protagonist Lara Jean Covey, and also the ex-boyfriend of her older sister, Margot. It looks like you're asking for a report