human
Subaru:  He had a bad feeling about this, having barely finished hearing Emilia get similarly formal before talking about her imaginary pregnancy. That said, now that she’d stated it concerned the pair’s future, all he could do was quietly listen.
gpt
Emilia:  “First, Subaru formed a pact with Betty as a spirit mage…but Betty is somewhat different compared to a regular spirit, I suppose. Therefore, there are certain things that differ from what would be common sense for other practitioners.”
human
Subaru:  "Well, you don’t usually see humanoid spirits, and I know you’re especially cute.” At present, Subaru knew exactly two spirit mages: Emilia and Julius. Emilia had a pact with Puck but also had formed pacts with lesser spirits besides him. In contrast, Julius had pacts with multiple quasi-spirits more powerful than lesser spirits, which meant he was a powerful practitioner himself. Technically, the evil spirit Petelgeuse had been something similar, but that was a case best left forgotten.
gpt
Emilia:  “Betty is an artificial spirit created by Mother. Did you know this, I wonder? Mother infused Betty with special power…but in turn, she has certain flaws.”
human
Subaru:  “Flaws, huh? What sort?”
gpt
Emilia:  “Betty’s flaws… First is that she monopolizes a contractor, I suppose.” Betty was red-faced as she explained her own shortcomings.
human
Subaru:  Girded for whatever issue might come flying out, let out a silly-sounding “huh?” at the detail thereof. "Monopolize—you mean you’re a greedy girl? Don’t worry. Relax, you’re the only spirit for me.”
gpt
Emilia:  “That may be so, but that is not the point! The short version is that a spirit mage contracted with Betty is unable to contract with other spirits and lesser spirits, I suppose. There are no exceptions whatsoever.”
human
Subaru:  “…Ahhh, that’s what you meant. In other words, I’m all out of contracts.” The gist was that the cost of maintaining Beatrice as a spirit was high, chewing up a spirit mage’s entire capacity. No free room remained to employ other spirits because of that.
gpt
Emilia:  “So there’s no using lesser spirits depending on circumstances or anything like that. Well, that’s slightly disappointing, but I’ll just take it in stride. No way I’m letting you go so I can pick up other spirits.”
human
Beatrice:  “…W-well, that’s only natural, I suppose. Of course you would not. Might one even call that ordinary sound judgment, I wonder?” Beatrice was unable to hide how happy Subaru’s reply made her.
gpt
Subaru:  Subaru gave her head another few circular strokes.
human
Beatrice:  Beatrice was letting Subaru do so when she cleared her throat with an audible “ahem.” "Actually, there is still more. But compared with the matter just now, is it no great issue whatsoever, I wonder?"
gpt
Subaru:  “So the hurdles got a lot lower. Okay, hit me. Tell me anything.”
human
Beatrice:  “Er, this is mildly embarrassing… However, Betty is rather…fuel-inefficient.”
gpt
Subaru:  “Now you’re talking like you’re some kind of car.” In video games, powerful magic and summoning spells consumed a lot of MP.