MTL - The Reborn Otaku’s Code of Practice for the Apocalypse - Chapter 191 Home has a watchdog

CautionTaboo 18+Banished by failure and despair, a virgin loser wakes in a new world with a forbidden power—the Lust System. To survive and claim a rare herb that could save him, he must seduce, corrupt, and conquer hearts across worlds. Pleasure is the key to power…and survival.

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.

A tale about the former leader of a special organization served under royalty, now leaving his past life behind and unintentionally getting involved with the martial world.

- Description from Novelupdates

The pessimistic and negative daughter of a concubine living in the ancient times thought – since life is so difficult, why should one invest serious effort in struggling to live?

The life of an ancient noble woman is often determined and controlled by her family. Moreover, one’s actions often implicate one’s entire family – thus, it is fairly common to see an unexpected calamity result in suffering borne by one’s whole family. Managing to live a good and successful life while retaining one’s dignity is simply too difficult to achieve.

Ah, living in the ancient times is simply too dangerous – we should all just sleep till we die.

- Description from Novelupdates