Dark Edge

*Part 3 of the Kuroneko Kareshi series.* Shingo and Kakami have finally understood their feelings and continued with their relationship, and for some reason, Kakami wants to take it to the next level by living together?

Keiichi finally returns home to Shingo after spending over four months in America. Just as they start to celebrate their reunion, the two are suddenly expected to watch over Keiichi's young nephew, Rio.

After reconciling and reaffirming their love for one another, Shingo and Keiichi continue their passionate romance. Everything was going swimmingly until a troublesome person from Shingo's past reappears and disrupts their family outing...

Kagami Rio is now grown up and in college. He's also doing part time job as a model. That's when he met an editor named Asahina Ritsu, who has the same black hair and same green-colored eyes similar to his unrequited love Shingo. But are they of same species too? And how will their relationship turn out to be?