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
247
14
17
483
6 (3.6%)
1 (0.6%)
3 (1.8%)
11 (6.5%)
14 (8.3%)
31 (18.3%)
47 (27.8%)
30 (17.8%)
13 (7.7%)
13 (7.7%)