Some Sim Date games have been made into Harem anime, though the result is usually nothing special due to the removal of sex and the fact that the narrative can no longer focus on any single character.
Because there is almost no market for true Dating Sim games outside of Japan, it's a frequent misunderstanding among western gamers that "Dating Sim" is the general term for all ren'ai (romantic love) games.
After he levels, visit his room and select "other". I was influenced by my g/f and all of the other Sasuke/Sakura fangirls out there.
It's just funny to have these signs that go everywhere. Yeah, the series is long done, but we'll always have the memories.
These dating sim elements are often referred to as Romance Sidequests in the RPG genre.