Ah, with the Japanese scans it seems that a Chinese version of the interview is also out, so here is a Chinese-to-English translation (That includes the Levi tidbits I already did earlier this week). They did not translate the five pages of Isayama’s own interview, but here’s the full Q&A at least!

Translating/Adding behind the Read More as I go along (Please refresh):

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Q: In Captain Levi’s view, who is the best at cleaning?

A: Right now it's Eren.

Q: What does Isayama-sensei want to tell Levi the most?

A: Levi has slight bouts of insomnia, so I want to tell him “Go quickly to sleep.”

Q: Has Isayama-sensei schemed out the final chapter? Considering the fate of Eren’s mother, I hope there won’t be too many more sacrificed characters…we’re anticipating their future development!

A: I have the overall concept and outline of it already, but I still don’t know how the individual characters will develop.

Q: What is the trend inside the walls?

A: Badmouthing the various military units.

(T/N: Thanks to anon for the proper Japanese translation for this part!)

Q: Apparently Mikasa is pretty good as singing, what about Eren and Levi?

A: Their focus is not on singing - they’re the type to express themselves via body language.

Q: For Isayama-sensei, which characters do you enjoy drawing the most?

A: Jean and Ymir.

Q: If the Survey Corps members were fans of Momoiro Clover Z, who would each be a fan of?

A: Levi -> Momoka, Jean -> Shiorin, Erwin -> Airin, Hanji -> Reni, Eren -> Kanako.

Q: Captain Levi loves his tea, but does he drink alcohol? What about other characters like Hanji, Moblit, Erwin on the veterans’ side? Who has the highest tolerance?

A: Levi can handle his drink, but the unfortunate Moblit drinks the most.

Q: The Captain is Humanity’s Strongest - but does he hate or fear anything?

A: Mold/Mildew.

Q: I want to imitate the Captain’s method of holding his teacup, but it’s difficult and makes my fingers sore. Please teach me the secret to holding the cup elegantly!

A: It can’t be accomplished after just one attempt. But you will succeed after some practice.

Q: In Vol. 13 of the manga Armin disguised himself as Historia. Was that out of his own will? Or was it Erwin or Levi’s instruction?

A: That was an order from Levi.

Q: What is Levi’s blood type? Since he has a cleanliness obsession, he should be a type A, right?

A: Yes, his blood type is A!

Q: Does the gluttonous Sasha have any food that she dislikes?

A: The food she dislikes are things that aren’t considered food.

Q: I want to understand the exact rank hierarchy of the Captain, is it Commander -> Captain -> Squad Leader? It feels like the Captain has a completely separate position.

A: “Captain” isn’t actually part of the official military ranks (In SnK). It’s a separate position.

Q: The Captain loves cleaning, what is the reason for that?

A: One day I will draw the backstory, please stay tuned.

Q: We have not seen scenes where Levi eats. Does he eat well?

A: In terms of this, Levi is a bit lax with his diet.

Q: Why is Captain Levi short compared to the others?

A: It’s because his concept came from Ushiwakamaru (Minamoto no Yoshitsune) and Astro Boy (Mighty Atom) and Kyuzo (Akira Kurosawa’s The Seven Samurai).

Q: How long does Levi shower for?

A: He takes three-minute “combat-style” showers.

Q: How long does Levi sleep on average? What time does he go to bed and get up?

A: He only sleeps an average of 2-3 hours.

Q: In last month’s chapter Levi seems to have worn a t-shirt from Uniqlo - where does he get his clothes? And out of all the Survey Corps members, who is the most stylish? I think it’s Eld/Erd.

A: The most stylish is Nifa.

Q: Who gave Levi his haircut?

A: He uses clippers to cut his own hair.

Q: Between Levi, Humanity’s Strongest, and Fedor Emelianenko, who is stronger?

A: Fedor Emelianenko. I think the strongest right now is not Cain Velasquez but Daniel Cormier.

(T/N: These are all MMA fighters)

Q: Does Levi know that Auruo/Oluo is imitating him? If so, how does he feel about it?

A: He knows. To be honest he thinks that, “It’s annoying…”

Q: What are Levi’s duties within the walls? Hanji does research, Erwin seems to have piles of documents to go through…does Levi have to do paperwork, too?

A: He has a lot!

Q: How well does the Captain handle alcohol? And what kind does he enjoy? I want to know how he behaves while drunk…

A: His tolerance is not bad. To be more specific, he doesn’t get drunk.

Q: Isayama-sensei always promotes the plum wine from your region…do you recommend anything else?

A: Sofuren’s stir-fried noodles and fried chicken, plus “Hibikinosato"s plum wine.

Q: Captain Levi always dresses well, is it like that at night (In the privacy of his own room) and when he’s sleeping, too?

A: He pretty much doesn’t change and just sleeps like that in his chair.

Q: When will Connie grow out his hair?

A: Maybe one day he will take on another hairstyle. You never know!

[End of Q&A]

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There is also a horoscope analysis for the other characters. Levi’s disadvantages are that ”He lacks the ability to express himself clearly. Even when he’s trying to encourage his companions, he still speaks to them in a very roundabout way. Without Hanji’s translation, it’s almost impossible to understand Levi. His battle skills are impeccable, but when it comes to love/romance, he is incredibly clumsy.“

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ETA: Translation of the horoscopes section now here!

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Thanks again to @suniuz for the heads up!