Galge no Sekai de Shinyuu ♂ ga Ore wo Suki da to Iidashite!?

Why won't you try for an ending with me? One tiny freakout brings best friends Aoi and Ritsuki smack dab into the middle of the world of a dating sim. All this time, Aoi has been trying to act like a cool guy who doesn't care about love, but now that his cover is blown, is this his chance to complete a romance route just for him? And why is Ritsuki's affection meter looking like that?
(Source: Futekiya)
Note: Chapter count includes an extra.