Proxy Game is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc 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.