ガンバレバレーボール部 is a free iPhone game developed by BAIBAI Inc. It is a simple and addictive mini-game that anyone can play. The objective of the game is to tap the screen when a circular area appears and receive the ball. The challenge is to see how many consecutive receives you can make.

The game features easy controls and a volleyball theme, making it a fun and enjoyable experience for players. You can compete with others by aiming for the best record and climbing up the rankings.

If you're looking for a quick and entertaining way to pass the time, ガンバレバレーボール部 is the perfect game for you. Download it now and show off your volleyball skills!

Please note that it's important to take breaks if you start feeling tired or strained while playing.