I took a shot at translating most of it, but that last panel is a little beyond me. Best I can manage is "blind idiot" level on that one, so I'll leave it to someone more accomplished. For the casual reader: Keine has gone to see Eirin after popping the pills.
Protection against Death and Aging
Fast-Acting and Gentle on the Stomach
HOURAI ELIXIR
40 CapsulesIt's a waste of good needles.Wait, what? That wasn't an aphrodisiac?Hey, that's no joke you fuckin' brats!!No way. You two are just going to toss somebody into a vat full of needles again, aren't you?Chen, Chen, lookie here! I found some Hourai Elixir.Tch.Let's go toss 'em in the Human Village's well!Eirin-dono... I swallowed this drug without knowing what it was...Battle CryPraise me!
Praise me!Hey Doctor, lend us some needles.Crap.After a punch to the gut she threw it back up.You... To think you would go so far as to throw away your own death for her...Awriiight!SEX!!!Miss Keine, if you take these pills Mokotan'll get horny.You seem to underestimate me... If it's for Mokou, something of this level...She did it, she really did it!