I'm not sure how the WN describe Yukito's father and his half sister other than that they have black hair but those two in the last paneh supposedly Yukito's father and half sister.
The WN and LN also has the same incest scene as in the manga, but they won't bloom into incestuous sex. Yes the Author is quite degenerate for making a biological sister and mother romantically interested in Yukito but it won't be more than just kissing or skinship. It's pretty safe
Her sister cook food for him. At least the mother still gave money so his sister can go to the grocery and buy cooking ingredients. Unfortunately nobody taught Yukito's sister how to cook so she cook miserably, by the age of 10 or 12 if I remember correctly Yukito already cook for himself and...
The manga has weird principle where flashback will be shown in later chapters so just be patient for in depth story of each problematic heroines. Also Mrs Sanjoji is his elementary school teacher who punish him for other kids fault till the MC breaking point and only found the truth after the MC...
Yes that's his biological mother and sister.
And no it's not just not failing in bringing to vacation but ever since she neglect him by being busy with her work, he gave up on trying to talk to his own mother because every time he tried to have conversations with his mother she dismissed him for...
This chapter is so emotional rollercoaster
Beginning part: Sad
Early part: Fun and Erotic
Mid part: Tragedy and Mistakes
Mid end part: Moral of the story
End part: Fuckingly Hilarious INCESTS
I love this rollercoaster being forced in a single long chapter...