You can also check out the product description of both the game and limited edition below (via the aforementioned product page):
The ninja girls of Senran Kagura are back for more in a whole new way, armed with water guns and all-new visual enhancements packed into a third-person splasher. Choose a team of five from the more than 30 girls available, outfit them with customizable weapons and abilities, lead them into lighthearted water gun battles against rival teams in a variety of 5-on-5 team-based combat arenas, or join your friends online and take on opposing teams. Come on in; the water’s great!
The “No Shirt, No Shoes, All Service” edition comes with a Blu-ray disc containing a compilation of opening animations from previous SENRAN KAGURA games, an art book, a music CD, and a DLC key containing in-game contents Soaking Wet High School Uniform costume, a set of colorful bikini costumes, the Futomaki Roll Bazooka special weapon, a Bebeby pet card, and a special set of skill cards.
The Senran Kagura Peach Beach Splash – No Shirt, No Shoes, All Service Edition has a listed release date set for the 29th of August in North America.