A loner boy and a flashy girl find common ground via cosplay in this sweet and spicy rom-com! While they work on making the ''Heaven''s Will'' costume for Winter Comiket, Christmas rolls around... For the first time, a giddy Marin gets her lucky underwear ready. Meanwhile, creating Haniel''s costume is proving trickier than Wakana anticipated, and he''s at his wits'' end...