An old piece done same year as bikini girl, another bikini girl, this one from Ranma 1/2 . A girl named Adeline, as i was a manga reader at these times.
More details compared to bikini girl
EDIT : I LET THIS ONE FROM 1993 AS IS TO COMPARE THE EVOLUTION UNTIL TODAY
Just corrected a few lack of AA, Pillow shading, light source because it was not approved.