Home Airing Top Anime Seasonal Upcoming Watchlist

A

1234Anime

Your premium legal anime discovery platform. Discover anime, track your watchlist, watch trailers, and find official streaming options.

Discover Anime. Watch Legally.

Discover

Airing Schedule
Top Anime
Seasonal Anime
Upcoming Anime
Top Movies
Search Anime
Weekly Schedule
Where to Watch

Browse

Action Anime
Romance Anime
Isekai Anime
Best Anime to Watch
Best on Netflix
Best on Crunchyroll

Account

My Watchlist
Account
Sign In
Newsletter

Legal

About
Contact
Privacy Policy
Terms of Use
DMCA
Legal

123anime does not host or distribute anime content. All streaming links direct to official, licensed platforms. All trademarks belong to their respective owners.

© 2026 123anime. All rights reserved.

Not affiliated with any streaming service or anime production company.

Home Search Schedule Watchlist Account

Where to Watch The Testament of Sister New Devil Legally | 123anime | 123anime

Back to Details

Official Streaming Guide

Where to Watch The Testament of Sister New Devil Legally

123anime helps you find official streaming options. Availability may vary by region. Support the anime industry by watching through licensed providers.

Where to Watch

Loading providers...

More on 123anime

View seasonal anime releases•Browse top anime rankings•Track upcoming anime episodes