Prince of Tennis dj - Himitsu na Futari

Fuji x Kikumaru, Ryoma --> Eiji

Eiji reads his blood-type horoscope. Ryoma implies that himself and Eiji are horoscopically-compatible, but that Fuji and Eiji are not. Fluffy angst ensues, culminating in some kisses and almost-kisses that are some of the best I've seen in doujinshi, really. One of my favourites.