Garō was shown to have a harsh interest with retrieving Kawaki. Given their past, the two had a bad relationship and Garō felt that he can dominate and retrieve Kawaki without any problems. In his battle against Kawaki, he underestimated him and used his powers to harm him as much as he can. Garō was easily ill-tempered and had a habit of ranting.
Garō joined the Kara in the past as an outer member and met Kawaki and knew Delta. Both Garō and Kawaki did not have a great relationship. It was implied that Garō have been abusive to Kawaki. At some point, Kawaki escaped from Kara because of the abuse he suffered.
Garō later appeared after Ao's death and Koji Kashin's confrontation to capture Kawaki. He confront Kawaki and told him that he was after him. The two immediately got into a fight with both the Leaf ninjas and Koji and Delta spectating. The two fought for some time with Kawaki able to keep up in his fight against Garō. However, Garō was able to overwhelm Kawaki and mocked him. Kawaki was able to activate his Kama seal which Garō did not expect. Kawaki with his curse seal all over him confronts Garō where he unleashed powerful amount of energy killing Garō.