Team up!

(1girl, pink long hair, green eyes, ahoge, red ribbon, gold trim, hair between eyes, hair ribbon, jacket, open clothes, open jacket, open mouth, light green cardigan, pink hair, red bow, blue bowtie, school uniform, skirt, thighhighs, two side up, white jacket, white skirt, white thighhighs, medium breasts, white zettai ryouiki, original character), (1boy, light blue male hair, blue eyes, dark blue hoodie, black pants, original character), (1girl, green long hair, pink eyes, large breasts, parted bangs, long sleeves, thighhighs, skirt, gloves, grey thighhighs, pencil skirt, black zettai ryouiki, fingerless gloves, necktie, original character), (1girl, yellow medium hair, twintails, school uniform, serafuku, skirt, sleeves past wrists, original character). In a medium shot with a gradient background, four original characters—two girls in the foreground, one boy to the side, and another girl in the background—are arranged in a group composition, all looking at the viewer. The central pink-haired girl with two side-up hairstyle wears an open white jacket with gold trim over a light green cardigan, white skirt, and white thighhighs, smiling with an open mouth; the green-haired girl in a pencil skirt and grey thighhighs stands confidently; the light blue-haired boy in a dark hoodie poses casually; the yellow twintail girl in serafuku completes the group. Flat, clean anime style inspired by blue archive, soft pastel palettes, minimal shading, smooth color fills, light rounded linework, green light effects.