I was Told to Relinquish My Fiance to My Little Sister, and the Greatest Dragon Took a Liking to Me and Unbelievably Took Over the Kingdom
Ongoing | Kashiwa ten,Hi8mugi | 2000 released
After bratty sister steals her fiance and ruins her reputation, protagonist decides to become the "dragon's bride"
Maseki Gurume: Mamono no Chikara o Tabeta Ore wa Saikyou!
Ongoing | yuuki ryou | 2000 released
Tensei Ouji wa Daraketai