Sa Graphic Novel Volume 13

"Maki Minami (w/a) Kei's grandfather, determined to keep the boy under his control, traps him in London and makes plans to publicly announce Kei's appointment to president of a company, along with his engagement to the company chairman's daughter. Hikari and the SA gang try to get to London to save him--but with Aoi determined to stop them at all costs, will they make it in time?"