Zoku Oku-sama wa Onee-chan!? by Tryset - Adult Sex Game

One year has passed after Toshiya and Yukari's newlyweds living, and I think that he is sending a little calm days, which is a big mistake.
Yukari studies day and night etiquette to ensure that the night's work does not become a manner.
And I was lavishly demonstrating to Toshiya the technique I remembered.
Toshiya who keeps being touched by such age is happy and shy every day.
But, as before, Yukari's brother, Kaori, who has been fighting with his husband, starts his occupation.
Her free-headed girl is naturally full of naked bath. Etcs also come in with skin ship (?).
And at school there is no time to rest. Tomomi Shiraishi of a transfer student who thought that it was a gentle personality,
Suddenly close to Toshiya after a certain thing. I am pressing for Toshiya with that hand.
Of course, as usual, the mother-in-law of Mother -
Mistakes made by classmates Miyuki and Haruhiro couple are also alive.
How about continuing the newlyweds living with Toshiya?