Knock before entering [Kyouiku Shidou The Animation]

Knock before entering

Always knock before entering

You should always knock before entering

knock before entering ;)

Next time, knock before entering the room!

It’s polite to knock before entering

It’s polite to tease and knock before entering.

Knock before entering

it's polite to knock before entering

It’s polite to knock before entering

Do you knock before entering? 🥜