Jealousy

Modern Au.
With Some RenGiyuu and SaneGiyuu.
They are in high school and Giyuu is the emo/loner and he is somewhat friends with Sanemi who is close enough to the emo/loner style but more extrovert than him, but Sanemi has a crush on Giyuu and wouldn't say anything to him. But he is jealous as someone who in a really big extrovert is approaching Giyuu, named Rengoku. So Rengoku learns that Sanemi likes Giyuu and they start to fight over Giyuu and try to win him over until Giyuu makes his final pick.

NO SMUT OR NSFW SINCE CHARACTERS ARE UNDER 18 AND ARE DEPICTED AS HIGHSCHOOLERS

Aromatic Giyuu Au (Wanted to try something new)