At work i prefer an easy to follow story, lots of humor, less grind and no or avoidable negative shit (like rape, blackmail, ntr, prostitution or other downers) to kill free time and get my head off from the negative shit i have to deal with from work.
In private i prefer deep or complex storys and characters, harem (choosing is losing), pure lesbian routes for female MC (i dont want to seduce guys or control a disgusting sub slut), low or optional fetish content, no or avoidable negative shit (games should be games, no traumatic triggers) and start as single, worst thing a dev can do is a fix partner you cant kick out.
Overall i dont care much about the source of graphics, be it HS, DAZ, hentai, porn, 2d, 3d, animated or anything else, it should just fit the atmosphere and the characters should look like you want to seduce them and not puke in their faces. And i absolutely dont care about music, sound or voices because i never play adult games with sound ^^
The golden rule is: Optional content is the best content because nothing is good or bad for all, but if everyone can choose the things they like and avoid the things they hate, everyone is happy...ok, aside from the dev who has double work.
Oh, before i forget, i really hate logic errors in the story and bugs ^^