Character
Hajime Katsura
桂 はじめ
Profile data: MyAnimeList (Tenrai) (opens in a new tab)
Biography
Katsura Hajime is Rei's younger brother who is said to have been kidnapped by Leviathan.
[Spoiler] It is later revealed that he was transformed into Sleepmon by Biomon. Biomon was ordered by Leviathan to do so after Hajime betrayed him and released Rebootmon. [/Spoiler]
Source: MyAnimeList (Tenrai) (opens in a new tab) · updated
