Manga
Finished
Jul 11, 2002
10 chapters, 1 volumes
Meet Yui and Ryouko and the rest of the employees from the Penis Research Institute—an organization that offers women the joy and pleasure of 'both' worlds.[Written by MAL Rewrite]
P Souken, PTBCL, P Total Bio-chemical Laboratory, P総研
245
15
16
475
6 (3.6%)
1 (0.6%)
3 (1.8%)
12 (7.1%)
14 (8.3%)
30 (17.9%)
46 (27.4%)
30 (17.9%)
13 (7.7%)
13 (7.7%)