Highkey x Lowkey

Mao finds himself falling in love at first sight with a photograph of a model named Kei. The only place where Mao can find Kei is at an art exhibition of the mysterious photographer named Mel.
While Mao is entranced by a photo of Kei at the art exhibition, someone at the exhibit asks to photograph Mao! Who is it if not the mysterious photographer Mel himself! Before he realizes it, Mao is in bed with Mel and is drowning in pleasure as Mel whispers to him "If you can be a good boy, I'll let you meet Kei."
Somehow this chance encounter leads to a situation where Mao is having sex with Kei as Mel takes pictures...?!

Note: Includes 1 extra chapter.