Prince of Tennis: Life Is So Sweet After I Won Over Rikkai’s Emperor

What?! I have a fiance I've never even met? Come on, who still believes in betrothals arranged before birth these days? I do. Dogs don't, but I do. I loved you in my last life, though you never knew. This time, I'm making my move! Ah, my adorable fiance... fiancee, I'm coming! Love shouldn't just be kept in your heart; you have to say it out loud. If other people don't understand you, that's their loss. Reborn, Heisaki Kei swears to cherish that boy, Genichiro, who acts so mature, and help Rikkai Dai reclaim the glory that belongs to them. Seishun Academy? How many years have you even been training? Get out of our way!

After the protagonist's halo is shattered, the world's storylines return to their proper course. Now you'll see what it means when the king is, in the end, still the king.