Watch full Chocotto Sister Episode 20 English Subbed online for free in HD. Full HD Chocotto Sister Episode 20 English sub streaming online. My Kitten. After Haruma refuses to buy her a pet, Choco befriends an escaped puma, whom she names Kuro (the Japanese word for ‘black’). Choco visits Kuro daily at his home in an abandoned warehouse, and introduces him to Kakeru and Yurika. Tragically, Kuro dies in a road accident.