アニヴァーサリー ～夏休みの想い出～

Anniversary: Memories of Summer Vacation tells the story of a young girl named Ringo. One night, Ringo witnesses an impish girl named Cherry seducing another girl. At first she feels repulsed, but after a while finds out that she is excited... soon she and Cherry become lovers and soulmates, unaware of the fact that Cherry is being hunted by the authorities...

[From Moby Games]