Proxy Game is a Manga/Manhwa/Manhua in (English/Raw) language, Action series, english chapters have been translated and you can read them here. You are reading chapters on ManhwaZ fastest updating comic site. The Summary is
Do-yun spends his troubled days paying weekly payments to Yu-chan of the same school. One day, Do-yoon receives an indie game from an acquaintance who is a game developer he met in an online game, and Do-yoon is surprised to find that the protagonist of the game is in the same situation as him. Half mindful, half curious, he chooses cruel revenge on Yoo-chan in the game and meets the next day. Doyun's daily life begins to flow just like the game... The award-winning game completely changes Doyun's life into a game option.