Since its introduction in 1967, the Hiace has been sold all over the world and has become Toyota's leading The Hiace has long enjoyed overwhelming support from business users as a commercial vehicle. In 2004, the Hiace was finally fully remodelled for the first time in 15 years. The Hiace, now in its fifth generation in total, succeeded in attracting many users other than business users. Thanks to its excellent loadability, ease of maintenance, and overwhelming durability, the Hiace gained overwhelming support from a wide range of users, not only as a commercial vehicle, but also as a private car, transporter, camper, and outdoor vehicle. The 5th generation Hiace also gained a lot of support as a custom-base vehicle, making it an extremely rare commercial vehicle that is loved by users for a wide range of purposes.

Sharo, Nero, Ellie and Cordelia are popular members of the 'Holmes Detective Academy' who have solved many cases with Toys and outstanding teamwork. These 'Milky Holmes' were admired not only by the students, but also by the citizens of the detective city Yokohama. However, one stormy night, during a battle with their arch-enemy, the 'Phantom Thief Empire', the four 'Milky Holmes' lose their respective Toys, and their destiny is radically changed...

Having grown up with animals, he is deeply emotional towards them. He is very active and uses his legs more than his brains. She is a very picky eater and always has a stash of sweets in her pockets or hat. He is pure, but also easily emotional, and has moments when he lacks composure. Essentially, Toys can "acquire and control information using bioelectricity" and can vaguely understand animal language.