Video of an Asian woman teacher in a classroom, instructing students. The teacher wears a mask, white shirt, and striped tie. Students are in white shirts and black ties. Blackboard with mathematical equations in the background.

Video of a classroom scene with a teacher in a mask and glasses, a student with long hair, and a blackboard with music notation, cluttered desk.

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 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.

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.

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.\

Video of an Asian woman with short black hair, wearing a white lace bra, leaning forward, with blurred figures in the foreground. Background features a chalkboard with mathematical equations.