Shukubo no Uzuki ~Hitozuma Miboujin no Nareta Karada to Amai Toiki~ / 淑母の疼き ~人妻、未亡人の熟れた身体と甘い吐息~

The main character, a novice teacher at school.
The main character became a teacher because of a road accident in which he sends a stranger to the hospital, who turns out to be a teacher. While the teacher is in the hospital, he is replaced by our hero.
A month passes, our hero gets used to teaching duties.
Our hero meets 4 married women. One of them is a strict teacher who always shouts our hero over every little detail. The second kind and shy teacher, with whom the protagonist has a good relationship and who helps him in every way. The other 2 married women are the parents of students who often come to the main character's school for any questions or invite him to their home.
Once the main character is invited by force to his home to Satsuki, who in every possible way helped the main character to get used to school.

What will happen in Satsuki's house and how will the relationship between the four people develop .......