Erotic adventure with a maid with animal ears and tail!

The protagonist, Ritsu, is an adventurer in a world of the magic and the sword.
He was spending hard days, however, he got a company by saving a half-animal girl, Konoha.

Then he receives a letter from his father which says:
"Send me the result of this year"

Ritsu had nothing to report, so he decides to ask Konoha something...

[From DLsite English]