If you're looking for manga similar to Sore Ike! Anpanman: Horrorman to Hora Horako, you might like these titles.
Featuring an alternate universe where running, playing, and Hanja (Chinese characters used in the Korean language) are banned for safety reasons, and the country's temperature is rising due to a volcano. With the help of elders that were champions in the past, a group of courageous Cookies go to collect pets and learn Hanja.