An eye-level, 3/4 view medium shot of a young loli girl in a classroom. The composition is a low-angle view, with her as the central subject in the foreground and a chalkboard filling the background.
The girl has fair skin and large, expressive brown eyes seen behind oversized, round black-framed eyeglasses. Her hair is messy, thin, and a light brown color, cut in a chin-length bob with uneven bangs. She wears a loose-fitting, white lab coat with long sleeves over her clothing, giving her a "buccafuca" (baggy) appearance. Her pose is neutral, with her arms likely at her sides. Her expression is serious and thoughtful, fitting the academic setting.
The background is a traditional classroom blackboard filled edge-to-edge with complex mathematical equations and symbols written in white chalk. The formulas are densely packed and varied, including fractions, integrals, summations (sigma), Greek letters, and long equations. The board has a greenish-grey surface and a light dusting of chalk.
The style is a detailed anime illustration with vibrant colors and sharp line work. The classroom lighting is even and bright, coming from overhead light fixtures. The blackboard is fully visible, serving as both the environment and a significant visual element that contrasts with the girl's small figure and oversized clothes. The overall mood is studious, intelligent, and slightly whimsical due to the character's oversized attire.