第25話: ニナとツジアイがダークゾーンから祖父を救出しながら愛を告白する
2003年11月4日 放送
Nina's grandpa is sucked into the dark zone (created by Maya's black magic). Nina, Ayu, Kaji, and Tsujiai jump in to try to save him. Facing the danger of possibly falling into the abyss of the dark zone for an eternity, Nina and Tsujiai confess their love for each other. (Source: Wikipedia)