Miyazaki Maya Daizukan - Ep.2

A guy ("the substitute guy") watches Wadameda Chitose ride her bike down a hill every day in her gym uniform. She uses the bumpy ride for her own personal enjoyment. He's come up with a plan to get involved with her daily activities. Winter Love Virgin science teacher Ootsuka Jinpachi one day decides that fellow teacher Matsuo Aiko's bad attitude has earned her a ravaging. He tricks her into drinking an aphrodisiac and "researches" her with various scientific glassware and a pen before ravaging her. But she actually...?