Otokonoko Zukan

- Alternative Name:
- 好色野男孩, 男の子ずかん, An Illustrated Book of Boys
- Status:
- Completed
- Categories:
- Comedy, Romance, School Life, Shoujo,
- Type :
- Japanese
- Author:
- Yokoyama Mayumi
- Artist:
- -
- Share
Children stupid, crave sex and naughty. This book studies in detail boys, living beings, completely different from girls to answer questions about the boys and their behavior.