Cicada on a tree

 is a Historical Webtoon by Bulbssi.

Synopsis
''When, on the eve of the final exam, Sin Menhun is accidentally killed by his best friend, his soul falls into the ancient Korea of the Joseon period - into the body of the son of the palace artist. When Menhun realises that he will never come back he decides to start the new life in this time. By chance, he saves the life of a boy servant - and this young servant becomes his faithful companion for many years. This story tells us that love can survive everything - time, troubles, and separation.''