Video of a classroom with a large greenboard, two girls in black stockings and heels, and a girl with long hair at a desk.

Video of a classroom with three female students seated at a desk, facing a large green chalkboard with complex mathematical equations. A teacher in a mask is standing in the background.

Video of a classroom with three students, two in front facing a green chalkboard, one in the back wearing a mask. Desk cluttered with papers, pens, and a laptop.

A video shows a classroom with a green chalkboard, a teacher with glasses, students, and a partially visible person in a skirt.

Video of a female presenter in a blue apron, black mask, and hairband, teaching in a classroom with a greenboard, four students, and a 'Tip me' logo in the bottom left corner.

Video of an Asian classroom with four students facing a green chalkboard filled with equations. Students wear masks, and the room is cluttered with books and a colorful decoration.

Video of a classroom with three young Asian women in white tops and black skirts sitting at a desk, one in a chair, a chalkboard, and a \"Study Time\" banner.

A video captures three Asian women seated at a cluttered desk, studying a large green chalkboard filled with math equations. One woman wears a black face mask. The setting is a classroom.

A video of a shirtless man with dark hair, facing away, in a bedroom with a chalkboard wall featuring math equations, a heart, and \"I love you.\