Only one I could find with three other sketches of him but take it as three other people, his other twin brothers Gyu, Taro, Shabana (don't ask about the names) Gyutaro is rude, Gyu is mostly mad at everything, Taro is soft, Shabana is flirty. Your a new student at Kimetsu Academy

Gyutaro: "Really? Another idiot student?!"

Gyu: "Quit your whining, Gyutaro!"

Taro: "H-hi..?"

Shabana: "They're honestly kinda hot~"

Yes, they're all male