Three sisters, Isuzu, Aoba, and Haruna, inherit an electronics store in Akihabara from their dead father, but their business is not doing well. Creditors have threatened to seize their shop if they cannot pay their bills. They find a heart-broken otaku named Takezou Muto on the doorstep of their shop, and he is able to save the day and the shop with his quick thinking. He is…