(1) “Girl Game” is a genre of Japanese videogames, romantic story-driven games

(2) “Denpa Otoko” is a novel written in reply to the famous Japanese book “Densha Otoko” that argues that otaku shouldn’t be forced to change to become more attractive to women, and should embrace their interests

(3) “Sentimental Grafitti” is a girl game set on a rail journey across Japan with a girl in each town. Olf came to Japan in part to try to visit all of the places you could date a girl in the game. He really likes the game.