Heavenly Match Manhwa is also known: Cheonyeon / Heaven couple / Match Made In Heaven / 天缘 / 천연 天緣. Heavenly Match is released in 2012 and you can read it on the website SAWAMICS.COM
– Summary :
A young girl accidentally awakens a guardian spirit sealed within a sword. Together they will face many challenges in order to complete a mysterious mission given by the gods. They meet other summoners and spirits, face demons, and details about their past lives are revealed.