Kobayashi ga Kawai Sugite Tsurai!! manga summary: Kobayashi Mitsuru and Kobayashi Megumi are twin brother and sister, with identical faces but radically different personalities: while Mitsuru is a confident charmer who wins the hearts of dozens of girls, Megumi is an average otaku who is in love with a virtual hero. Yet, the two's lives start to turn upside down after Mitsuru and Megumi switch roles... A complicated love story starts!!!