Natsume's Book of Friends, Volume 1 by Yuki Midorikawa

Upon her death, Reiko bequeathed to her grandson her Book of Friends, a notebook containing the names of the yokai Reiko had bullied and forced into servitude after easily defeating them in a match.

In 2011, Hotarubi no Mori e won the Jury Prize category in Scotland Loves Animation (SLA) and Animation Film Award category in Mainichi Film Award.For as long as he can remember, Takashi Natsume has been able to see and commune with spirits (or yokai), a rare ability inherited from his maternal grandmother Reiko Natsume, who was also able to see spirits.Natsume's Book of Friends was one of twelve finalists for the first Manga Taishō award in 2008.In 1998, she won the 18th LaLa Manga Grand Prix (LMG) Fresh Debut award for her debut work Coffee Hirari.In 2011, Hotarubi no Mori e was adapted into anime film.The work was also licensed for distribution in the USA as Natsume's Book of Friends.

Natsume Yūjinchō was adapted into an anime television series spanning several years.Aizoban Hotarubi no Mori e, 愛蔵版　蛍火の杜へ (September 2011), published in the tanpenshū Hotarubi no Mori e Tokubetsuhen.Natsu ni wa Tameiki o Tsuku, 夏にはため息をつく included in September 2000 issue of LaLa and Natsume Yuujinchou 7.Natsume's Book of Friends, 夏目友人帳, Natsume Yūjinchō (2003, 2005 - ongoing), LaLa DX.Hoshi mo Mienai, 星も見えない (2005), also published as a tanpenshū Hotarubi no Mori e Tokubetsuhen.Taion no Kakera, 体温のかけら (2003), also published as a tanpenshū Hotarubi no Mori e Tokubetsuhen, 蛍火の杜へ特別編.Overhearing a Flower Song (April 2003), LaLa, also published as a tanpenshū Hotarubi no Mori e Deepening the Scar (January 2003), LaLa, also published as a tanpenshū Hotarubi no Mori e

The Falling of Autumn Leaves (November 2002), LaLa DX, also published as a tanpenshū Hotarubi no Mori e Into the Forest of Fireflies' Light (July 2002), LaLa DX, also published as a tanpenshū of the same name

Atsui Hibi, アツイヒビ (2001), LaLa DX, also published as a tanpenshū of the same name.

Hana Oi Bito, 花追い人 (2001), LaLa, 3 episodes, no volume publication.

Coffee Hirari, 珈琲ひらり, Kōhī Hirari (November 1998), LaLa DX.

Natsume's Book of Friends, Volume 1 by Yuki Midorikawa