You Have Failed

1280 × 1024

Mission Failed screen

1024 × 768

glowing green math equation

1024 × 768

Teacher Asleep at Desk

1680 × 1050

blue-haired anime teacher

800 × 600

anime teacher at chalkboard

800 × 1188

Classroom chaos with teacher

1904 × 1227

fox teacher in classroom

1600 × 1200

Magical Teacher Nagi

1752 × 2469

Teacher and student in classroom

1200 × 750

Cartoon Teacher in Classroom

1024 × 768

teacher in classroom scene

1200 × 900

Teacher's Pet promotional art

1024 × 768

Teacher's Pet Loyal Friends

1024 × 768

X-ray dog with math tools

1600 × 1000

blue-haired girl with math symbols

1440 × 900

The Beauty in Math

1500 × 1941

Gandalf math meme

1028 × 900

i love math

1024 × 768

Math Comic: Invisible Friend

1600 × 1200