In some episodes, the female characters become sexually aroused by the taste of food. Some of these have actual nudity, but it isn't that bad.

Boy has a dream and a fully naked girl appears for less than a second

In some episodes you can see some of the characters behinds.

There are lots of scenes of girls getting "orgasms" by tasting food.

A girl smacks a boy but it's really played for laughs.

Occasional swearing like dahm, hell, sh*t, and once bitch

Wine can be seen on the tables and is often used in the cooking.

One time students get drunk together

One character has a nightmare but it's not a scary nightmare at all