After being unfairly framed in devildom, middle-tier devil Sitri falls onto Earth as a human and searches for a serial killer who could take him back to his origin. He meets a stubborn, strict human boss who he initially hates; however, he eventually starts having feelings for her. Love has no limits, but... does it really? What will be their fate? (Source: WEBTOON)

Gang-In Na wakes up in the year 2024 in the middle of South Korea with no memory of where or who he is. Upon hearing a voice that sounds strangely familiar, he comes face to face with a robot named ACE (Autonomous Combat Entity), who informs him that he was once part of the Earth Federation Forces in the year 2082 and possesses a wide array of skills. Gang-In decides to join forces with ACE to recover his lost memories and adapt to life on Earth, but the two look to be in for a bumpy ride. (Source: WEBTOON)