On a trip to Mutsumi's home, Keitaro and Naru are welcomed by Mutsumi's Mother, Natsumi Otohime. They are very alike, almost like Sisters in looks, except Natsumi is in fact drawn as if a centimeter taller and has different clothes.
Mutsumi and Mrs. Otohime's Personalities and opinions are the same, they want Naru and Keitaro to be together... If Naru persists in declining, Both the Otohime's will Take Keitaro for themselves!