Title: Lychee Light Club ライチ☆光クラブ, Raichi☆Hikari Kurabu 
Author: Usamaru Furuya
Launched in 2005, 1 volume and completed
Lychee Hikari Club is a one-volume manga whose origins can be found in a stage play that was performed at the Tokyo Grand Guignol Theatre in 1985. Usamaru Furuya takes the story and crafts a disturbing tale with a potent atmosphere given gory life by great artwork, a strong setting, ero-guro (erotic grotesque) and the excesses of yaoi all of which made me shudder and shocked me at points.
Genkinahito 