[Gintama Okita X Kagura Fanfic] Green-Eyed Monster (Jealousy)

The "improper" relationship they'd been keeping secret is discovered by Kagura, who suddenly returns to the Odd Jobs shop. As if that weren't enough to break Gintoki's heart, the next thing he knows, the sadistic brat from the Shinsengumi has suddenly become Kagura's boyfriend? What the f**k?