Gahi-chan!, Vol. 1 (Gahi-chan!, 1)

When a struggling manga artist finds a buxom girl whos the spitting image of his own series heroine nude on his doorstep, it seems like a dream come true! But sadly, his drawings didnt suddenly spring to lifethe girls a gahi, a tentacled yokai who eats artwork and turns it into suits of skin, which she then wears like a glove. Ruki is hooked on the taste of his pen, and will do anythingto get more! Is this girl(?) a worthless freeloader, or could a formless entity actually be the perfect model?