* In ''Manga/MagicalGirlSite'', Aya befriends a stray kitten who was abandoned in a box. She gives it a collar and food, but she's unable to take it home. Her [[TheBully bullies]] find out about the cat and [[BadPeopleAbuseAnimals kill it]] just to spite her.
* In ''Manga/KenichiTheMightiestDisciple'', Kenichi and Miu come across Kisara, who is standing in front of a box with a kitten in it. When she kicks the box into the alley, [[BerserkButton Miu decides to kill her]], only to be surprised that [[KindheartedCatLover Kisara actually was feeding the kitten, and lamenting that she couldn't take it home with her]]. This leads to the two becoming friends over their shared love for cats.
* PlayedForLaughs in ''Manga/FoodWars'' after Erina runs away from home with the help of Alice, Ryou and Hisako. While they're busy arguing as to where she's supposed to go, at one point Hisako protests that Erina isn't a stray cat, making Erina have an ImagineSpot of herself as a cat (still with her long hair) inside a box.
* In episode 12a of ''Anime/JewelpetMagicalChange'', Airi tells Labra she understands her feelings about wanting a pet all too well and brings up how she and her friends once found a cat left alone in a box. Labra misunderstands this as "pets can be found in all cardboard boxes" and goes to find a box, leading to her adopting a banana as a pet.
* In ''[[https://www.fanfiction.net/s/13030518/6/In-Sickness In Sickness]]'' Harry finds a kitten in a soggy cardboard box in an alley.
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