These are some of the games I was looking at today:
ArcadeAlex Kidd: The Lost Stars (1986) (Play as Stella)
Baraduke (1985) (Play as Toby)
Lady Master of Kung Fu (1985) (Play as Lady)
Momoko 120% (1986) (Play as Momoko)
The Return of Ishtar (1986) (Play as Ki)
Time Gal (1985) (Play as Reika)
Atari 2600Kangaroo (1982) (Play as Mother Kangaroo)
Lady Bug (1981) (Play as Lady Bug)
DOSKing's Quest IV: The Perils of Rosella (1988) (Play as Princess Rosella)
Laura Bow: The Colonel's Bequest (1989) (Play as Laura)
The Great Giana Sisters (1987) (Play as either sister whatever)
Master SystemDouble Target: Cynthia no Nemuri (1987) (AKA Quartet) (Play as Mary)
Psychic World (1988) (Play as Lucia)
Sukeban Deka II: Shoujo Tekkamen Densetsu (Delinquent Girl Cop: Legend of the Maiden's Iron Mask) (1987) (Play as Suki)
MSXAleste 2 (1989) (Play as Ellinor)
Mugen Senshi Valis II (1989) (Play as Valis)
NESAthena (1986) (Play as Athena)
Faria - A World of Danger and Mystery! (1989 Japan) (Play as female soldier [name?])
Friday The 13th (1989) (Play as Chrissy)
Ghost Lion (1989 Japan) (Play as Maria)
FamicomAttack Animal Gakuen (1987) (Play as Nokko)
Layla (1986) (Play as Layla)
Mugen Senshi Valis (1987) (Play as Valis)
Salamander (1987) (Best ending reveals Vic Viper as a FEMALE pilot.)
Space Hunter (1986) (Play as Altiana)
Sylviana: Adventurer Full of Love (1988) (Play as Sylviana)
Kai no Bouken (The Quest of Ki) (1988) (Play as Ki)
The Wing of Madoola (1986) (Play as Lucia)
Valkyrie no Bōken: Toki no Kagi Densetsu (1986) (Play as Valkyrie)
SG-1000Girl's Garden (1984) (Play as Papri)
Ninja Princess (1986) (Play as Kunoichi)
PCEWonder Momo (1987) (Play as Momo)
I'm not done looking around yet, that's just some stuff I've found this afternoon. I definitely don't plan to play or beat all of those.
Overall I'm just shooting to beat 5 games for March's TR.