Koigataki ga Shindeiru

Katakura secretly has feelings for Amaya, his senior at his part-time job who's popular with both men and women. Katakura used to only be able to observe Amaya until he noticed that something was "attached" to the latter's shoulder. When Amaya learned that Katakura could see ghosts, he asked Katakura to look at them for him, saying that he wants to meet his dead lover. Katakura, intent on staying by Amaya's side, agreed to do so but with a certain condition...

Also includes the stories, "Ikuto-san wa Seijunha" and "Tenshi to Banana".