Original characters works from the artist's Patreon. Added artist commentary plus their translations:

Nanaju. Rock. Mare-stallion (Page 2-16)
ナナズュ.ロック.マーレスタリオン
-Devil + Horse
-25 years old
-Height: 179cm
-Size: 40cm (erection: 76cm)
-Career: Bar waitress
-Lives in the shopping district near where Kurogane lives
-Family: Son
-Number of times having ***: ???
-Fetishes: NTL, scat
-She is Kurogane Chichiushi's old friend (but never has touched her).
-The quality of her sperm is so good that many women get pregnant. But every month during ovulation, her dick disappears, although her personality is still dirty.
-Surprisingly, she is a sweet mother to her son.

-Page 3:
-Dick Holster: Her dick is so big that she carries it in a holster instead. Every time she impregnates with this semen, she marks it to brag.
-:Page 4
"Oh hey there, auntie with the big ass. Can you tell me when your husband is coming home?"
-During mating season, her smegma piles up even if she doesn't wash it for a day.
-Page 5:
"Ah~~ I went a little too far. I noticed that the condom was torn in the middle, but you were so erotic that I came inside~ I'm sorry ☆ After all, this XXL size condom can't handle my cock. Thank you for cleaning my dick. Tell your husband that I apologize in advance because the pregnancy success rate of my super special sperm is 100%."
-Page 6:
-Nana-chan is very successful at hunting women during her vacation.
"It's nice weather today too~ The girl I was with yesterday? Maybe she's still fainted in bed~"
-Page 7:
"Are you saying you're worried? I'm really only just going to play in the water today."
-Page 8:
"...sorry! I was only going to talk, but I guess they really liked me."

Kurogane Chichiushi (Page 17-35)
くろがね ちちうし
-Although she looks almost human she is a demon
-Due to the effect of her hereditary blood, she doesn't show much emotion or display many expressions
-She worked as a mercenary until recently, then for some reason decided to work for the academy
-She lives in an old dormitory that was about to be removed to save on rent
-It's her first time in human society so she acts strangely compared to human norms
-Because of the nature of her race she needs to exercise to relax.
-She usually train in her one-room house. She use this place as her fitness room. (prefer being alone while exercising.)
-So Only who can see her sexy outfit is that dilf roommate. ;)
-There are old basement storage under her house building.
-About her name; Last name is Kurogane "鉄" and first name is Chichiushi "乳牛" So....It means 'Iron milk cow'? P.S. "鉄" actually has a meaning of black iron, so it's a suitable name for her. ;)

Elf Reiko (Page 36-38)
エルフ零子
-Kurogane's neighbor
-Married elf woman
-Very kind and pure mind
-She has many children. x)

Please support the artist if you enjoy their work!

https://www.patreon.com/d3yk7gh4df/posts

https://fantia.jp/fanclubs/64493

https://www.pixiv.net/en/users/19953236

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He's doing futa now too, but it's all just solo. What a waste of potential.

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Those zebra dicks though

Base +20, skenver +6, Tirist +10, bloodydeath666 +7, drannoc +9, karta529519 +8, infinitekarma69 +5, cree2wi +5, ADIN0 +7

inerg solo futa is best

Base +8, Jenkitsune -10

Would be cool to see some fucking. Nana sexing girls and her Husband/baby daddy plowing her while she still has her cock.

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真按着男的来画女性，绝了

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Excellent work, great translation

Thank you for sharing it with the community

Waiting for new translations about other works of this great artist who have not yet been translated, as well as other works of this genre

Base +8, Jenkitsune +10