ゲーセン少女と異文化交流, Game Center Shoujo to Ibunka Kouryuu, Game Center Ibunka Kouryuu, Game Center de Shoujo to Ibunka Kouryuu Suru Hanashi, Cross-Cultural Exchange With the Girl at the Arcade
The main character, Renji Kusakabe, is working part-time at an arcade. He meets Lily, a British girl, and they somehow start an exchange diary!? Is this a cross-cultural exchange between friends or something more...?
(Source: Kadokawa, translated)