Hanjuku Hero 4: 7-Jin no Hanjuku Hero (半熟英雄4 ～7人の半熟英雄～, "Hanjuku Hero 4: The 7 Hanjuku Heroes") was released in a normal edition as well as a limited edition titled Hanjuku Ginga Bentō (半熟銀河弁当, Hanjuku Galaxy Lunch) which contained a lunch box and promotional items.
The game contains two types of battles: 100 on 100 battle using a mix of 2D and 3D, and three-on-three party-based Egg Monster vs. Egg Monster battles.
Composers Nobuo Uematsu and Kenji Ito did the soundtrack of the game. Uematsu has a cameo appearance within the game along with Tsuyoshi Sekito and Kenichiro Fukui, both of whom are members of his band The Black Mages as "Nobuo Uematsu and the Hanjuku Mages." The limited edition of the game came with a two-disc soundtrack album for the game, titled Hanjuku Hero 4 -The 7 Heroes- ~Sound Collection~. The album contains 43 tracks and covers a duration of 1:51:42.
Source: Wikipedia, "Hanjuku Hero", available under the CC-BY-SA License.