In Kishiryu Sentai Ryusoulger Ep. 27: The Unrivalled Fists, Kou goes out to search for a new Kishiryu by following the map that Nada had with him! What he found within the sanctuary was the Kishiryu Pachygaroo, who resembles a kangaroo! While on course to find and break the seal for Pachygaroo, Kou and the others accidentally stumbled upon Chibigaroo, the child of Pachygaroo! However, Gachireus suddenly appears before the Ryusoulgers, who should have died beneath the sea! While they faced off against Gachireus and his Mynasaur’s deadly counterattack, Kou and the others were suddenly buried alive alongside Chibigaroo!