Mayumi Kobayashi has written at least 7 books. Their most popular book is D.Gray-man, Vol. 1 with 32 saves with an average rating of 4.07⭐.
They are best known for writing in the genres Fiction, Manga, and Young Adult.
Adventurous and dark are their most common moods.
#1 of 27 in D.Gray-man
2006 • 32 Readers • 200 pages • 4.1
#2 of 27 in D.Gray-man
2006 • 11 Readers • 182 pages • 4.7
#5 of 13 in おやすみプンプン [Oyasumi Punpun]
2009 • 2 Readers • 224 pages • 4.5
#1 of 6 in D.Gray-Man Omnibus (3-in-1 Edition)
2013 • 2 Readers • 4
#1 of 13 in おやすみプンプン [Oyasumi Punpun]
2007 • 1 Reader • 224 pages
#1 of 2 in A Lollypop or A Bullet
2010 • 246 pages
#2 of 2 in A Lollypop or A Bullet
2008 • 264 pages