A cheat reincarnated older sister x summoned boy’s reversal drama begins !! Mariabel, a beautiful adventurer who has reincarnated in the world of online games. While she was living a carefree adventurer life using the game knowledge she had cultivated in her previous life, she sees boys who are candidates for heroes summoned from another world. The real hero is one of the two-what does it mean to treat the real one as a fake !? What did Mariabel take when she couldn’t bear it …