Mana-chan used 'All according to plan' strategy ... It's Super-Effective!
For a brief moment, I was wondering; she threatened (only teasing, it turned out) to scream so that her mother might hear. Yet when Sensei finally dropped his self-restraint, I say Mana was rather *cough-cough* "vociferous" in her responses during sexy time, and Mom didn't come running ... unless Mom was in on the plan, too ("Entrapment", perhaps?).
Ah, Well ... in the end, it was cute enough to get the job done.
Ah yes, rewarding a hardworking student is always a surefire way to motivate them to do well in tests!
Sweet, wholesome Vanilla goodness as a reward just sounds great. Probably counts as a reward for us readers too!
Great ending though. "Until the end", eh? Well, he definitely should take responsibility and take care of her forever!
1:Sequel
2:Sequel
3:Sequel
4:Sequel
5:Live long enough to see the Sequel.