Original artist: jet

Amazon Japan has announced a 2nd OVA release for the anime work-out series, 「Issho ni Training」 — starring busty 16-year old Hinako. The new DVD will be out February 2010. In addition, an artbook, entitled 「Motto Issho ni Training: Hinako no Hon」, will be released November 20th.

[UPDATE 01.01.2010] – The sequel has been given the title, 「Issho ni Sleeping: Sleeping with Hinako」. The official website has also launched. It is intended to help you, “modify your sleeping habits.” An alarm can also be setup for you to wake up when she does as well. Scheduled for release on DVD/Blu-ray February 11th.

[Source]