

Overview
The story begins when high school student Kazuki Muto is killed one night saving a mysterious girl from a monster, only to wake up in his school dorm, believing it to have been a dream; however, he soon finds out that dream wasn't a dream at all when a giant serpentine monster attacks him and his sister. Tokiko Tsumura, the girl he saved, explains that the monster is a homunculus. Kazuki had been attacked and killed by it when he was rescuing her; however, she, feeling responsible for him, revived him by placing a Kakugane medallion in his chest, serving as a replacement heart.
Cast
34Open an episode for ages at its air date.












Full cast · 34












- TMDB ID
- 31575 ↗
- First aired
- 2006-10-04
- Last aired
- 2007-03-28
- Status
- Ended
- Episode runtime
- 30 min
- Genres
- Animation, Action & Adventure, Sci-Fi & Fantasy
- Creators
- Nobuhiro Watsuki
- Countries
- JP
- Languages
- Japanese
Family guidance
Age ratings
TV-14United States of America (US)
This program contains some material that many parents would find unsuitable for children under 14 years of age.
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Kids-In-MindEditorial 0–10 ratings
Kids-In-Mind rates movies, not TV series. This says nothing about the content of this series.
All regional certifications (3)
TV-14United States of America (US)
This program contains some material that many parents would find unsuitable for children under 14 years of age.
14Brazil (BR)
Content suitable for viewers over the age of 14.
14+Canada (CA)
Programming intended for viewers ages 14 and older. May contain strong violence and strong profanity, and depictions of sexual activity as long as they are within the context of a story.










