Rokuro

Rokuro was a member of the Twelve Demon Moons, having held the position of Lower Moon Two.

Appearance
Rokuro had the appearance of an older man with a stocky build and pale skin that was decorated with black vein-like pattern on down his face, arms and legs. He had long, dark brown hair that he left down, and a short jagged beard around his jawline, as well as golden, cat-like eyes, the kanji for ‘Lower Moon Two’ etched into his left.

He wore what appeared to be a dark cyan version of a typical karate gi.

Personality
As with the other Lower Moons, Rokuro both respected and feared Muzan Kibutsuji as his leader. After almost every Lower Moon had been killed by Muzan, Rokuro was visibly scared that the same would happen to him, and resorted to begging his leader for more blood to increase his strength so he wouldn’t die, showing quite a cowardly demeanor. Despite this, however, Rokuro appeared to be very confident in the potential of his abilities as a Demon, since he claimed that if he received just a little more of Muzan's blood he could definitely become a strong fighter worthy of being in the ranks of the Twelve Demon Moons, which showed he had a great resolve and passion for his role.

Functional Recovery Training Arc
After all of the remaining Lower Moons had gathered together at the Dimensional Infinity Fortress, Muzan appeared before them in his female form. He regarded them with annoyance and told them to lower their heads and squat in front of him. After they all did so, Mukago uttered that she was sorry to have to have been ordered to do so, since she didn’t recognise Muzan in that form, to which he angrily asked why she was speaking without permission, telling her to silence herself and not to talk unless she was directly asked a question. As she cowered in fear at his feet, Muzan went on to explain the death of Rui, the only Lower Moon who wasn’t amongst the ones gathered before him, and asked the remaining Demons why they were so weak.

He lectured them about how them being in the ranks of the Twelve Demon Moons wasn’t the end, only the beginning of what was to come, and that their sole purpose was to consume blood so they could be of use to him. Muzan said that it had been hundreds of years since the Upper Moons had been replaced, yet the Lower Moons were replaced all the time, to which Kamanue thought to himself that Muzan couldn’t just tell them that. Since he could read the minds of those he has shared blood with, Muzan angrily asked Kamanue why they couldn’t be told that, expanding and extending his arm into a tentacle to grab the Lower Moon by his neck and lift him into the air. Kamanue attempted to apologize, but was promptly eaten by Muzan as Mukago and the rest of the Lower Moons kept their heads lowered in a shocked silence.

Next, Wakuraba thought to himself that he was going to be killed, so he needed to do more in order to keep his position as a Lower Moon, and, at the same time, Mukago thought about how she ran every time from the very mention of a Pillar. Muzan repeated both of their thoughts, and a terrified Mukago exclaimed that that wasn’t true and that she would fight with her life in the line for him. Muzan asked her if she was denying what he was saying, and, as she began to cry, another bout of Muzan's tentacles crushed her into the ground.

Shocked by this, Wakuraba immediately assumed the worst and decided it would be a wiser choice to flee than stay if he wanted to keep his life. He dashed out of the Dimensional Infinity Fortress at a high speed, and Enmu thought to himself that that was a stupid move to make since Muzan would kill him either way. This conclusion turned out to be correct, as Wakuraba's head was swiftly chopped off, so fast that it left him wondering how he even died in his final few moments.

As one of the two Lower Moons left alive, Rokuro panicked, exclaiming that he could definitely still be useful to Muzan if he deferred his death for a little longer. Muzan asked how he would be useful, how long the deferment would last, and how much power he could wield as he was, and Rokuro explained that if he had more of Muzan's blood, he could adapt it and definitely become a strong fighter worthy of his leader. Muzan angrily tosses Wakuraba's head down next to Enmu and Rokuro, asking Lower Moon Two why he should be given more blood and saying that he should know where he stands. Rokuro tried to protest, but Muzan silences him and says that, since he had attempted to instruct his leader, Rokuro deserved to die.

Demon Abilities
Little is known about Rokuro's strength and abilities as a Demon, but it’s assumed that he must have been one of the more strong Demons to have made it all the way up to the position of Lower Moon Two, since that made him the second strongest of the Lower Moons.

Trivia

 * His name was revealed in the first fanbook.

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