beatmapsets/1095376#osu/2289268 Maybe this counts? One of the lyrics said "We are the victims of peppy" and the whole song basically centered around osu too.
beatmapsets/77753#mania/225861 and since old tutorial was accepted, may include this one too
beatmapsets/77753#mania/225861 and since old tutorial was accepted, may include this one too