Nogizaka Haruka no Himitsu: Cosplay, Hajimemashita

Synopsis en anglais

"You know, cosplay is really good!" When Haruka, Yuuto, and Shina are at a cafe, they meet Rio, Shina's old friend and Rio invites them to take part in a cosplay event. "Well, I'll take part in it." "It should be fun!" "How about you, Haruka?" Haruka seems to hesitate to answer. At that moment, Yuuto notices that she stares at a pamphlet of the event...