Keijijyou na Bokura

From DMP:

Horyuu is a shining, good looking surfer idol. Shouin, who is enamored with ? him, is a calm, restrained and mature youngster. Though Horyuu is the polar opposite to the subdued Shouin, he cannot erase from his mind the secret confession which they shared...

* Contains two oneshots called Utakata no Hibi in vol. 1 and Beautiful World in vol. 2, prequel to Kurumi no Naka.

? Utakata no Hibi -
At 35, an art teacher is given a choice between an operation with a success rate of only 30% or another three years to live without it. He refuses the operation and proceeds to live a kind of half-life. But that spring, he meets and has an affair with a loud and healthy student from Osaka. Still, the knowledge of his impending death keeps him from being fully involved.

? Our Everlasting - All Sohei wanted was to film the beautiful man he'd caught a picture of before. But is the price too high...
- Peccatore Sanctuary