[Katekyo Hitman Reborn! + The Prince of Tennis] No Tennis in a Parallel World

In a parallel world, the protagonist, Juzaburo Mori, is descended from G, the first-generation Storm Guardian of the Vongola family. His cousin is Hayato Gokudera, and his parents are members of the Vongola's External Advisors. After his parents are killed in an attack, he survives only because he was away competing in a tennis match. He then joins the Vongola's External Advisors and has no connection with the likes of Rikkai University High School, until ten years in the future

Theme: Can you still meet someone and fall in love at first sight after losing all connection to tennis?