
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
251
14
18
494
6 (3.5%)
1 (0.6%)
3 (1.8%)
11 (6.4%)
14 (8.2%)
31 (18.1%)
47 (27.5%)
30 (17.5%)
14 (8.2%)
14 (8.2%)