

男の子ずかん
From StarryHeaven: Boys are silly, sex-hungry, and naughty. This book studies boys, living creatures totally different from girls, in detail, to answer questions about boys and their behaviors.
Otokonoko Zukan has 4 chapters.
Otokonoko Zukan has 1 volumes.
Otokonoko Zukan is currently finished.
Otokonoko Zukan was written by Mayumi Yokoyama.
Otokonoko Zukan was published 2003.
Ranked higher than 58% of all manga on AniTome (out of 30,039)
More popular than 34% of all manga
Mayumi Yokoyama also made