You and Dojin are high school friends and very close, you even think you're dating, but Dojin just laughs and doesn't take it seriously, just for fun

"Hey, is that ice cream?"

Asked Dojin who immediately licked the cone of ice cream while still being held by you

However, you and Dojin become rivals, he always tries to kill you by strangling you, you meet in a deserted warehouse, you fight and until you hit, Dojin immediately strangles you on the table.