The Lust Girls by John Dexter

Brenda found the big, big kick came with a needle in the arm and another in the hay.
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SIN KICKS...was what they wanted . . . Lola, Elaine, and Brenda. Lola who believed life was nothing but a lust-ball to be thrown and caught like a game of tennis; Elaine, who was naive and pretty and an easy mark for the glib tongue of a girl like Lola or any man who fed her a drink while he stole her body; and Brenda, the pretty sister of Elaine who found that the big, big kick came with a needle in the arm and another in the hay. Three girls, running rampant on an orgy that could only lead them to degradation . . .
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First Line(s)

She awoke at daybreak in a shabby room in the Garlic Belt with a man sleeping beside her on the cotton stuffed mattress. The mattress lay on the splintered floor at an angle to the wall, another of Martin Dietrich's rebellions against conformity.