Marin and Rikiishi have discovered they are two members of The 12 Disciples of the Zodiac, and that it's Marin's duty to gather the other 10. As usual, Marin is doing everything he can to stay out of it, but is forced into more crazy situations when Ryou recruits both him and Rikiishi to fill in for Alfred while he's out of town. The other Disciples quickly begin finding their way to Marin, but not to become his ally; they're aiming to take his life! Plus, a jealous brother takes his love for his twin way too far...