This achievement appears broken. At least for me. I've unlocked all the other achievements except for this. Anyone else have this issue?

seriously, it's make me very sad :'( i think this game soooo good, i like hentai & only adult contents game. and i'm also game collector. many hentai game have 'profile features limited' mark. and it's disturb library game collcting number so, i wonder dev··· steam teach u how to remove this mark? maybe sell-through, review mount etc··· i don't know exactly. sry my poor eng :'( i'm korean. if u understand it i'm glad u....