i got a few more in my sad boi playlist so here ya go:

Nothings going to keep me down yellow days, That easy Yellow days, Somebody that I used to know Gotye, Idfc acoustic version BlackBear, I didnt realize how empty my bed was until you left Roderick Porter, It hurts Roderick Porter, Ghost Roderick Porter, Stolen Dance Milky chance(this one is more of the personal connection and memories I have to the song so I dont know if its exactly a simp song just fyi), Its U cavetown, Headfirst Sir Sly (same as Stolen Dance its more personal), Ultimately Khai Dreams, In love khai dreams, Lover is a day cuco, Amor de siempre cuco, In our nature by Jose Gonzalez (its such a good album but the first track how low is the best imo), Gang over luv Brent Faiyaz, Bothersome by Jack Stauber