# Yujiro Koyama

> Japanese mangaka

**Wikidata**: [Q20039320](https://www.wikidata.org/wiki/Q20039320)  
**Source**: https://4ort.xyz/entity/yujiro-koyama


## References

1. [Source](https://www.blogger.com/profile/03922038131314557683)
2. CiNii Research
3. [Source](http://thisisrealheppokoblog.tumblr.com/about)