The deal is supposed to help the brothers focus on boxing whilst having Horipro take care of their media and other commitments, allowing them to take bookings with out putting in the leg work for the events.
The agency, which is better known as a entertainment and music agency, have added the Inoue's to a list of other Japanese sporting clients including baseball player Sho Aranami, soccer player Junichi Inamoto, and professional golfer Toshinori Muto. As for their entertainment clients, they have included members of Japanese group AKB48.
The deal may not amount to much for fans outside of Japan though it could lead to them being marketed more aggressively in Japan, something that could help them draw larger TV figures, lead to major endorsements and help raise their profiles as they look to become global stars of boxing. Notably Horipro have got offices in the west and may be try to use those links in the future to help make the brothers big names in the West, where potential money fights may lie.
(Image courtesy of http://www.horipro.co.jp)