What is name of H-manga where girl can see peoples' fate

There's a old fakku manga where a light hair girl can see peoples' fated partner connected by a mysterious string; she is invited to a class reunion at an onsen where her power is used as excuse by her classmates to have an matchmaking orgy. she then meets an old guy classmate who says he likes her and she tells him he will not end up staying because he is not connected to her fate; he tries to say he will stay and they have sex, but at end another classmate comes out of the orgy and seduces the guy, leaving the girl by herself


anyone know the name? I've been looking for this one for a while now..