Septem Charm Magical Kanan: SP Summer Camp
Genres: Hentai
Type: OVA, Episodes: 2
Aired: Aug 25, 2002 to Feb 25, 2003
Studio: Triple X
Source: Visual novel
Rating: Rx - Hentai
Synopsis:
Chihaya &amp; friends come to the beach for summer camp. There they meet their classmate Nami Minami. She likes Natsuki, but doesn't have the courage to talk to him. As the darkness inside Nami grows, she finds an old mansion where the "Netherworld Tree" awaits her. It was the start of the incident that would rock the boat?

(Source: AnimeDB)