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Himeno's chest will hurt if any boy touches her because she has the diamond of the heart. However, when she was young, she befriended two boys -- the gentle Mamoru and the blunt Keigo -- who are able to touch her without harming her. Without knowing about the diamond of the heart, both Mamoru and Keigo promised to protect Himeno. When some people threaten to take Himeno's heart, who else will protect her but her knights?

Artwork


Other Facts

PublishedAug 3, 2009 to Apr 30, 2010
SerializationRibon Magazine
Last UpdatedMay 28, 2017
LanguagesEnglish, Japanese
Other namesHeart no Daiya, The Diamond of Heart, ハートのダイヤ

Chapters

Vol.3 Chapter 14.5April 21, 2017
Vol.3 Chapter 14August 30, 2016
Vol.3 Chapter 13August 30, 2016
Vol.3 Chapter 12August 30, 2016
Vol.3 Chapter 11August 30, 2016
Vol.1 Chapter 10August 30, 2016
Vol.1 Chapter 9August 30, 2016
Vol.1 Chapter 8August 30, 2016
Vol.1 Chapter 7August 30, 2016
Vol.1 Chapter 6August 30, 2016
Vol.1 Chapter 5August 30, 2016
Vol.1 Chapter 4August 30, 2016
Vol.1 Chapter 3August 30, 2016
Vol.1 Chapter 2August 30, 2016
Vol.1 Chapter 1August 30, 2016