Where can I watch “ONIMAI: I'm Now Your Sister!” Season 1 Episode 9 online?

This page provides episode info and a legal-only guide. It does not host streams or downloads. Check official platforms and licensed services for availability in your region (US first).

Do I need to watch earlier episodes before “Mahiro Rings in the New Year”?

Watching earlier episodes in season 1 helps you follow the plot and character arcs leading into this episode.

Watch ONIMAI: I'm Now Your Sister! Season 1 Episode 9 Online

“Mahiro Rings in the New Year” — Watch "ONIMAI: I'm Now Your Sister!" Season 1 Episode 9 online in HD for free. Check streaming providers, cast, and episode details.

Mar 2, 2023 Season 1 Episode 9 23 min TV-14

3.8 ★ ★ ★ ★ ★

4 votes

ONIMAI: I'm Now Your Sister! Season 1

← Back TV Series

Where can I watch "Mahiro Rings in the New Year" online?

You can watch it through the button below, and it is free.

▶ Watch This Episode Now

Season 1 Episode 9 — Aired on Mar 2, 2023 • runs about 23 minutes.

Directed by Yasuhiko Akiyama.

Written by Michiko Yokote.

Notable cast/guest names in this episode include Marika Kouno, Kaori Ishihara, Hisako Kanemoto, Minami Tsuda.

This page includes 4 official still(s) (when available) plus legal availability links.

Looking for “watch ONIMAI: I'm Now Your Sister! Season 1 Episode 9 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

It's Christmas and Mahiro is shocked to hear his own little sister has a date. Unable to shake his unease, he follows her through the festive hustle and bustle in secret, with Momiji as his escort in tow. Who could Mihari possibly be meeting with?