Saikai wa Fukushuu no Hajimari

I never knew this could happen from just one kiss. When Kallie was seventeen, she kissed Alexandros, not knowing that he had a fiancee. The engagement was broken off, and his life changed forever. Seven years later, Kallie is reunited with Alexandros, now a Greek shipping magnate. She was never able to forget him, so her heart beats wildly at their reunion. However, he only has one desire in his heart after being reunited with the now-stunning Kallie: I will enjoy all of it-her and getting my revenge... (Source: Renta!)