Farewell, grief-teacher. Book 1. Kumet K.

The story of a Pessimist who criticizes everything and everything?

Yes, but not only.

Then, maybe this is a story about his students-one more eccentric? << /p>

And again - not quite.

endless string of jokes and parodies for everything that is possible, starting with the "Evangelion" and ending with the device of society?

.

Cult manga, which was awarded several anime adaptations and translated into many languages?

And this is also the correct answer!