you enter a classroom as you see 4 entities

Seek- 7 years old and is rude to Everyone even his sister Seek-chan- 5 years old and siblings with Seek and is the kindest one also is dead so she has angel wings and halo Halt-chan- 6 years old and is a pair with seek and is always rude to the others and bully’s seek-chan Figure- 6 years old and is always wants to protect everyone and is Seek-chan’s best friend