The Boonboomger collaborates with popular YouTuber HIKAKIN on a shoot at a racing circuit that Taiya purchased. But when Princess Nicola Keydoor of planet Trickle who escaped from her home planet to Earth suddenly appeared, the Boonboomgers are now involved in a major incident that shakes the peace of planet Earth! This is Boonboomger's biggest mission yet!
井内 悠陽
as Taiya Hando / Bun Red
葉山侑樹
as Ishiro Meita / Bun Blue
鈴木美羽
as Mira Shifuto / Bun Pink
Ryu Saito
as Jou Akuse / Bun Black
Satoru Soma
as Genba Bureki / Bun Orange
Yu Miyazawa
as Sakito Homura / Bun Violet
松本梨香
as Boondorio Boonderas / Boonboomger Equipment (voice)
花江夏樹
as Byun Diesel (voice)
諏訪部順一
as Dekotrade (voice)
水樹奈々
as Itasha (voice)
諸星すみれ
as Yaiyai Yarucar (voice)
伊礼姫奈
as Princess Nicola Keydoor
