My Dress-Up Darling

Synopsis (en anglais)

High schooler Wakana Gojou cares about one thing: making Hina dolls. With nobody to share his obsession, he has trouble finding friends—or even holding conversation. But after the school’s most popular girl, Marin Kitagawa, reveals a secret of her own, he discovers a new purpose for his sewing skills. Together, they’ll make her cosplay dreams come true! (Source: Funimation)