These are Ichika Nakano, Nino Nakano, Miku Nakano, Yotsuba Nakano, and Itsuki Nakano from The Quintessential Quintuplets.
masterpiece, highest quality image, anime illustration, colored with cel shading, clear line art, gentle coloring, no text, full-body view; the charACTer Stands on a rooftop, with hands resting lightly on the Metal rAIling, posture upright, legs standing naturally, expression relaxed and natural, matching the character’s Personality traits; eyes are clear. There is a soft golden sunrise in the early morning, light mist in the air, a pale blue sky at DAWn; the city skyline in the distance is blurred. Soft sIDE lighting outlines the contours of the face and hair. The fabric of the clothing is detailed, with natural folds. Horizontal composition.