Kitaro is debuting as an idol?! Mana is shocked when she looks at her phone. Meanwhile, as Kitaro walks leisurely through the city, he is suddenly surrounded by women calling themselves his fans. Kitaro runs away, but the girls chase him to the ends of the earth. When he escapes back home, he finds a mountain of fan mail. Kitaro has been mistaken for the idol G Kitaro! Kitaro senses youkai energy from one of the fan letters. He goes to meet the sender of the letter, and heads to a certain harbor in the middle of the night. What does Kitaro see there? And who is G Kitaro?!