Because lightning comes from where the clouds are. Kumo-SI-OC as the child of A. Lightning Kekkei Genkai SI-OC. AU. And she's probably gonna be paired with Itachi ngl. Omoi and Karui are main characters despite not being listed (as well as some leaf characters)

—¿Qué dijiste Yukihira-kun?—preguntó Erina, más que segura de haber entendido mal. Y Sōma contestó con el mismo aburrido tono de la primera vez. —Bésame. (Quizá pronto un Two Shot (?)).