Two very different dangerous ladies have debuted this season—and they’re roommates! A Ninja and an Assassin Under One Roof has shared creditless versions of its opening and ending movies in honor of the anime adaptation’s premiere.
Check out the opening, set to “Yarenno? Endless” performed by Kana Hanazawa (who also plays the assassin in this equation):
A Ninja and an Assassin Under One Roof Creditless Opening
And the ending, set to “NinKoro Dance” by HoneyWorks feat. HaKoniwalily:
A Ninja and an Assassin Under One Roof Creditless Ending

Crunchyroll currently streams A Ninja and an Assassin Under One Roof, described thus:
On the way home from school one day, Konoha Koga rescues Satoko Kusagakure, a ninja who escaped her village. Soon, pursuers from the village show up in search of Satoko only to be deftly dealt with by Konoha. As it turns out, the unassuming high schooler is actually an assassin. Thus, the potentially cutthroat cohabitation of a ninja and an assassin begins!