Watch full Chocotto Sister Episode 16 English Subbed online for free in HD. Full HD Chocotto Sister Episode 16 English sub streaming online. Dokiwaku Summer Festival. Choko is excited about attending her first summer festival. She becomes separated from Haruma and Chitose, but soon she meets Kakeru, and later Yurika, who has decided to come to a ‘commoner’ event accompanied by her maid. Yurika becomes jealous seeing Choko and Kakeru together. In the end everyone re-unites and they watch fireworks together.