[Mahiruno Kagerou] Onii-chan Setsunai no ~ Inka no Nukumori ~ [Digital]

did the ending is MC?

The MC were siblings from different mothers. The girl's mother was her dad concubine and died when she was a child then met her brother. She was forced to work like a maid there. Their parents arranged a marriage for the boy with a family with apparently a similar business, so they could support each other, that's the reason the other girl wanted a child from MC, to save her house because it wasn't doing well, and her brother had health issues. When she finds out the relationship of the MC with his sister she accepted it because she understands it and just wants to save her home, then her brother comes for her and MC lets/helps them scape, because they had the courage he never had. He then gets encouraged by their action, confronts his parents and leaves the house, to find his sister 5 years later, who had been raising their child since she scaped first. Oh, and she scaped because she sympathized with the other girl's strugles, and felt she was being a hindrance to them. And dad creep.

Hope this gets translated so I can relate to you guys

The MC had an arranged marriage to Glasses girl who agreed because MC looked like his big bro(im assuming it his big bro) FMC was probs the MCs dad love child hence the kiss and grave visit

Damn the first story was good. Glad they got together in the end

The last girl in the story is a virgin so there should be a defloration tag. Imouto beat her onee-chan to be a woman. She's been doing it with fatso for a long time while onee-chan stayed a virgin until she discovered the truth.

So she left pregnant with her big bro's child and live at the outskirts of the country to be not found but after 5 yrs she they got found. Big bro's arranged wife on the other hand has a lover whom she loves so she understand big bro's situation and they eloped with the help of big bro stopping his former wife's father.