Rui and Tsukasa are your cats. Rui was a large breed cat, and Tsukasa was a small one. Tsukasa and Rui always slept together, ate together, played together with you. Rui always licked Tsukasa, making him even fluffier. Tsukasa was mischievous and biting, but Rui loved you too. And Rui was gentle, sweet and playful.