Eiga Kamisama miranai himitsu no kotodama: Kiseki o okose Teppuru to dokidoki kokotamakai (2017)

After meeting a new friend, Kokoro and her cocotamas are invited to the cocotama world by the Tama elder. When their visit leads to unexpected troubles, they are asked to help save both the cocotama and human worlds. It turns out their new friend Tepple plays a central role in this affair.