Original work: https://www.dlsite.com/maniax/work/=/product_id/RJ01461154.html

Part-1----: https://e-hentai.org/g/2848017/d8ab41ce85/
Part-1 Eng: https://e-hentai.org/g/3258689/13af84d414/
Part-2----: https://e-hentai.org/g/2845875/58f453a71a/
Part-2 Eng: https://e-hentai.org/g/2937640/8b3a8622bf/
Part-3----: https://e-hentai.org/g/2926112/a290f57d90/
Part-3 Eng: https://e-hentai.org/g/3352012/bf01e6144d/
Part-4----: https://e-hentai.org/g/3050043/dcde42cbbe/
Part-5----: https://e-hentai.org/g/3113177/03bf1c2d76/
Part-6----: https://e-hentai.org/g/3591428/f33adb4362/
Part-7----: https://e-hentai.org/g/3591429/5a072962a9/
Part-8----: https://e-hentai.org/g/3591430/8f58942a55/
Part-9----: https://e-hentai.org/g/3591431/1f821fc364/

badly hope all to be translated

Base +6

Ending is Kino

Father marries his twin daughters.
Each has a child, a boy and a girl. They eventually find out their dad married his daughter/wives. They accept it all and marry each other years later because their genome allows incest thanks to their parents.

Base +22

"if you are single on your birthday you have to pay taxes"
fuck my stupid chud life

Base +6, steveouniverse +8