Cats and Dogs Tsubasa kuronikuru : Season 1 Episode 18

It seems Syaoran and Kurogane had stolen the prey of two demon slayer partners Yuzuriha Nekoi and Kusanagi Shiyuu as they introduce themselves Kurogane discovers from them that Fay and had given him and Syaoran the aliases Big puppy and Little puppy. Back at the cafe they treat the partners to some cake and tea while Kurogane huffs at Fay for the names (he and Sakura are Big Kitty and Little Kitty). The partners get called out for a bounty so leave promising to come back and swap stories. Syaoran and Sakura have a momentary heart to heart when Sakura almost discovers that Syaoran was probably an important person to her, but because of Yuuko's work she instantly forgets her discovery.