|Title||Canguro del Sereno|
|Manga Debut||Chapter 186|
|Anime Debut||Episode 108|
Kangaryuu is Ryohei's Sun Attribute female support-type Box Weapon. It stores Flames in the pouch on its stomach and can distribute equipment with its Activation properties. It is also equipped with a first-aid kit.
- Its name in Japanese (漢我流) roughly translates to "one's own way."
- Kangaryuu's wounds are revealed to be a result of constant sparring with Future Ryohei. Despite this, the two are very friendly to each other.