First time translating something, using google translate and trying to make the dialogue make sense.

003
OG: 先頭にいるのがスタリオン騎士団長様だわ
TL: "In the front, Stallion Knight of the Commander. Ah!!"
ED: along the lines of "That's Stallion leading the group, the commander of the Knight's Order!"

OG: おれも騎士団様見てえ！！
TL: "I'm also a Knight. Look!!"
ED: he wants to get a look at the knights too

004
OG: いたた…
TL: "It-it was..."
ED: "Ow"

OG: 強い上にお優しいなんて素晴らしいお方だ
TL: "It's wonderful that you're strong and kind."
ED: "Not only is he strong, but he's also kind. What a magnificent gentleman"

OG: この国の誇りだよ
TL: "I'm proud of this country"
ED: they're calling him the pride of this country

OG: スタリオン率いる騎士団が魔物から守護するラーゼア王国そこは人間の主権を維持する最後の人間王国であった―．．．
TL: "Knights led by the Stallion Razea Kingdom protects from monsters it maintains human sovereignty. It was the last human kingdom..."
ED: "Protected from monsters by the Knight's Order, led by Stallion, the Kingdom of Razea is the last human kingdom with human sovereignty"

005
OG: ケツでイケッ
TL: "In the ass. Wow"
ED: the speaker is saying he's gonna cum in someone's ass

007
OG: いえ女騎士なんて言ってな
TL: "No female knight, what did you say?"
ED: the speaker is denying calling the MC a female knight (related to prev page)

OG: 女騎士転生してヤることはただひとつ！！
TL: "Female knight reincarnation there is only one thing to do!!!"
ED: this is busted English but he's saying there's only one thing to do after reincarnating as a female knight

OG: そうだろ
TL: "...It's a lie"
ED: "of course/that's right" (because of the realization coming up)

008
OG: 男じゃん
TL: "Man"
ED: "I'm a man"

OG: 騎士っつったら女騎士に決まってるだろ普通．．．
TL: "If you're a knight, I anted to be a female knight. It's fine"
ED: he's saying that generally when you mention knights you mean female knights (because of his bias)

OG: 待てよふたなりの可能性も… / ねえわ…完全に筋肉だクソッ
TL: "Wait, possibility of futanari / Hey...it's all muscle. Damn"
ED: makes more sense as "Wait, there's a possibility of being futanari...or not...it's all muscle. damn"

010
OG: ズリネタになる記憶がひとつもねえ
TL: "What a joke!? I don't have a single memory"
ED: he's saying he doesn't have a single memory to use as fap material

012
OG: ビ ビクともしねぇ
TL: "Hey, don't freak out..."
ED: he's commenting on how it's not budging at all

OG: これって…エロルートとかないガチな方の異世界では
TL: "This is...an erotic route? It doesn't matter, in another world for serious person..."
ED: he's saying that this is a world which lacks erotic routes (unlike games)

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