Jyushimatsu and the Dolphin/Totoko and Nyaa

Dayon uses Dekapan's latest invention to merge various people together into new beings, with a fiendish end goal in mind. Jyushimatsu becomes determined to get a job at a sea park as an actual dolphin, receiving strict training from a familiar female trainer. Meanwhile, Totoko and Nyaa encounter each other at Chibita's oden stand.