After seeing how passionate Marin is about the things she loves, Wakana decides to help her with making outfits. He decides to help her out in making a cosplay for Shizuku Kuroe-tan from the game "Slippery Girls 2." They had planned to reconvene later to get the measurements started, but Marin couldn't wait and ends up coming to Wakana's house over the weekend.
It's basically one of 
those common harem plots.
ربّما تكون إحدى حبكات الهاريم الشّائعة تلك
Wohl wieder eine
von diesen Haremsgeschichten.
En eso es un harem de los típicos.
En eso es un harem de los típicos.
Un scénario classique
de harem, quoi.
Insomma, è una delle solite trame degli harem.
Bom, isso é bem comum em haréns.
Ну, короче, типичная
завязка гаремника.