Taking Eiji to the hospital, with no sense of trauma, Date and the others are confused as he comes to. After parting ways with Sakata while telling him that he has similar trouble, Eiji is altered by Ankh's senses of Yummy which are dissolving people with their mist. Arriving to the source, Eiji and Date confront the Pterandon Yummy as they become Kamen Rider OOO Tatoba Combo and Kamen Rider Birth to fight him while Goto tries to get as many people to safety.