Let's see; she's smiling, so option one should work - unless that throwaway line of dialogue back in Chapter 2 was hinting that she was actually a Tsundere and so I should choose number two..on while I check the FAQ.
The Dating Sim is a type of game designed to set up goals, usually in the forms of schedules and stats corresponding to social skills, which must be achieved to discover a story focused entirely around the Character Development of the player's chosen girl/guy, get into his/her pants, or both.
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.
In any case, the dating sim is set in a high school with you being one of the students. You can fall in love with this non-human transfer student (apparently male?
In fact, the term "dating sim" isn't even really correct, as it only encompasses romance games that have simulation elements (usually meters for stats that you have to raise to get the girl/guy you're pursuing).
In recent years, there have been many Role Playing Games that incorporate dating sim elements.
These dating sim elements are often referred to as Romance Sidequests in the RPG genre.
This leads to Multiple Endings, though some Dating Sims make it possible to see several of these "endings" in a single playthrough.
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.