Gongjuneun Jugeoseo Kiunda

'Minseo', a student who passed the civil service examination, becomes trapped in a game called 'Raising Lena' that he accessed to forget his dark reality. Minseo becomes a character named 'Leo' in the game and must complete the mission of turning the main character 'Lena' into a princess by going back and forth between three scenario worlds... Due to the enemies who stop Minseo with overwhelming power and force, ‘Raising Lena’, a game that boasts of its difficulty level. Will Minseo be able to clear the game and return to reality by making Lena a princess?

(Source: mangaupdates)