Makoto Yoshitada is the Green Princess within the Heart Princesses, known for her energetic and mischievous nature. She frequently speaks in Kansai dialect and peppers interactions with puns, like passing a pun-filled note to Kanade Chidori during class. Her background as a former street child raised by a street performer likely shaped her distinctive speech and fondness for wordplay. She attends high school alongside fellow Princesses Megumi Taishin and Kanade Chidori, embodying the virtue of Chuu (loyalty) alongside her personal Moon Cat companion.

In her civilian identity, Makoto sports long, light green hair in thick pigtails secured by ribbons. Her distinctive features include short, spiked bangs with layers, a prominent cowlick, and a cat-toothed smile. Transforming into Green Princess grants her a costume marked by crown motifs and intricate details: a white sleeveless top accented with pastel green petals and three gems, paired with a two-layered frilly pastel green tutu skirt. A white flower-shaped peplum overlays the skirt, while a frilly waistband connects via a thin green strand to a pouch on her left hip. The costume also features a substantial petal-shaped mint ribbon on her back, distinctive boots combining white fabric with mint coloring, a green choker with a gem-adorned ribbon, heart-shaped earrings, and wrist cuffs with fabric accents. Placing her forearms together reveals the peony visual marker of her Green Princess identity.

She maintains a friendship with Kanade Chidori, collaborating against threats despite occasional differences, and fights alongside Megumi Taishin as both schoolmate and ally.