Waga Himegimi ni Eikan o Ver.1.01 by Minato Soft - Adult Sex Game

The protagonist Shaon, who grew up in a remote area, was taught a technique called Tenken by his teacher.

The teacher hopes that Shaon will pass on his abilities to his descendants.
When he is old enough, he needs to leave his home to find a bride.
How you live your life, whom will you marry? It all depends on your choice.