Nagu

Nagu (ナグ, Nagu) is the twin brother of Naru.

Personality
Nagu was a silent and loner child and highly indifferent to other people in generally. He's protective over his sister who he only concern about and open up to.

History
Nagu and Naru were left alone to search for their parents right after their parents left them. Nagu and Naru became weak and before Nagu found a shelter, Naru died of starvation leaving Nagu alone on the island. He wished for another chance to protect Naru, and so he become a Shou and create a second Naru from Hakua's Kamui. He also drew children for Naru to make friends with after. Nagu tried to drew adults, however the adults he drew were failure and decided to find real adults in the outside island.

Island of Children Arc
Arata Hinohara and company arrive on Nagu's island, they gave care to them and the children until they accidentally discover the truth. Naru convinces Nagu go along with Hinohara in the outside world, as she and the children disappear. Nagu instead submits to Hinohara's Tsukuyo.

Abilities
Hakua (白堊, Hakua) the god of art; the ability to bring drawings to life.

Trivia
Nagu reappears to Arata Hinohara in confrontation aiming Kikutsune. Trouble of making musical instruments (that also come to life), Nagu assists Hinohara in creating a music band of children.