This art comes from the official twitter account. Check out the Crunchyroll article for additional information. Synopsis for the source manga from AniList:
The master spy codenamed <Twilight> has spent his days on undercover missions, all for the dream of a better world. But one day, he receives a particularly difficult new order from command. For his mission, he must form a temporary family and start a new life?! A Spy/Action/Comedy about a one-of-a-kind family!
There is some good stuff coming up. There is a hostage standoff, Loid’s tragic backstory, and I thought the recent backstory of the school’s teachers was very touching.
I enjoy the family stuff as much as the spy/assassin parts and I liked the movie as it had a good amount of both.
If you want something similar but more action focused, Sakamoto Days anime is starting next month. Perhaps check that out then.