Anime characters dressed in school uniforms standing under a cherry tree

{{{{{{A high school student and an elementary school sister are standing side by side..}}}}}}、{{{{{{Man in Uniform}}}}}}、Two men and two women、A dark-haired、Black eyes、cleopatra hairstyle、Cut the bangs parallel to each other、 The woman is wearing a blue sailor suit、long skirt、clothes that are larger than your body size、School bag、tiny chest、kindly smile、red tide、 {{{{{{The background is the school gate of a Japanese high school..}}}}}}、springtime、The cherry tree、hight resolution、Unity 8k壁纸、Professional、extra detailed face、Perfect Lighting、 extremely details CG、(Perfect hands、Perfect Anatomy)、Entrance Ceremony