Mayumi YOKOYAMA
Author & Artist
Otokonoko Zukan
Vol: 1; Ch: 4
2003
3.557 out of 5 from 27 votes
Rank #26,699
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.
Source: MU
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