The sequel to my book, Close to him. If you haven't read that yet please check it out :) We left off with Otabek loving Yuri enough to be by his side as whatever Yuri wants him to be; now in this book it's up to Yuri to determine what that is ;
An insider interview with the artist Lena reveals that Eren's tattoo reads "IT'S MALE TIME" with his ding-a-ling featured as the special mail delivery. You're most certainly welcome for uncovering that sweet gem. Also Levi's thigh tattoo says Ereri.