Engaged to the Unidentified (2014)

Name: Engaged to the Unidentified
Genre: Animation, Sci-Fi & Fantasy, Comedy
Cast: Aimi, Asuka Kakumoto, Yui Watanabe, Yuri Komagata, Saki Fujita

Anime series · Animation, Sci-Fi & Fantasy, Comedy · 1 season · TMDB 6.8/10

Just an ordinary teenager, Kobeni Yonomori receives quite the surprise on her 16th birthday—a fiancé and a sister-in-law she never even knew she had.

Cast: Aimi (Mayura Momouchi (voice)), Asuka Kakumoto (Niko Oono (voice)), Yui Watanabe (Akane Yonomori (voice)), Yuri Komagata (Shirayuki Mitsumine (voice)), Saki Fujita (Konoha Suetsugi (voice)), Wataru Hatano (Hakuya Mitsumine (voice)).

Not on a subscription app in India right now.