A compilation of additional tips written by Ryukishi07 outside of the games. Several of the stories are humorous in tone, but the more serious ones may be considered canon.

In the future, Utopia has finally been achieved thanks to medical nanotechnology and a powerful ethic of social welfare and mutual consideration. This perfect world isn't that perfect though, and three young girls stand up to totalitarian kindness and super-medicine by attempting suicide via starvation. It doesn't work, but one of the girls—Tuan Kirie—grows up to be a member of the World Health Organization. As a crisis threatens the harmony of the new world, Tuan rediscovers another member of her suicide pact, and together they must help save the planet...from itself. (Source: VIZ Media)

*Note: Includes two extra chapters.*

Akihabara has always been a paradise for otaku and those who love electrical appliances. Now, it has become a famous tourist spot that is flooded with visitors from all over the world. In â??Akibaâ??, one can find souvenirs, services and Japanese hospitality that are appreciated by Japan-loving tourists from overseas. Here, visitors from abroad can see the abundant charms of Japan that even the Japanese are not aware of. The reason why Japan is loved by foreigners has been found, and it"s in Akihabara.

Anthology of D.Gray-man doujinshi written by different artists. Pairings: Allen x Kanda, Kanda x Allen

A booklet included inside Harta volume 50 of Hakumei to Mikochi manga and illustrations written and drawn by various Harta contributors. (Source: Natalie, translated)