Tennis no Ouji-sama: DokiDoki Survival - Umibe no Secret is an Adventure game, developed by WinkySoft and published by Konami, which was released in Japan in 2007.

You are Fujimoto Ayaka. In your holiday, you joined your friend Kohinata Tsugumi in the ship her father captained. Inside the ship are also various schools tennis team who are going to the place where they are going to train. In the way, there is a typhoon and during the ruckus of leaving the ship, you are saved by Saeki and Kurobane. You lost conciousness afterwards. You are awake to Atobe and Tsugumi’s worried face. Apparently all of you ended up in an unhibited island. However Tsugumi’s father and the coaches’ whereabouts are unknown. After discussing, the tennis team decided to divide themselves in two groups. One taking the mountain area and another one the beach. You joined the beach team while Tsugumi joined the mountain one.