How long does it take to watch all of Rinne no Lagrange?

About 4.6 hours for all 12 episodes at 23 min each — a weekend; at two episodes a night that is 6 evenings.

Is Rinne no Lagrange finished?

Yes, Rinne no Lagrange is finished (12 episodes), so you can watch the whole thing at your own pace.

Is Rinne no Lagrange good for a group?

Yes. Rinne no Lagrange is tagged action, comedy, the tags that survive a room full of people talking over the screen.

Where is Rinne no Lagrange listed?

Rinne no Lagrange is on AniList (id 11227) and MyAnimeList (id 11227); Queue Up keys it by its AniList id and shows it when it is on either of your lists.

Queue Up — what anime do we watch?Compare two AniList lists →

Anime lists › Best yuri anime to watch with a friend

Is Rinne no Lagrange good to watch with a friend?

Easy to drop in. Rinne no Lagrange (Flower Declaration of Your Heart) is a TV series from Winter 2012 by Production I.G, Xebec, Inc.: 12 episodes, about 4.6 hours in total, finished, 6.89/10 across the listing sites.

actionalienscomedydramaecchifantasyfriendshipmecha

Watching it together: easy to drop in. Comedy or action in a short run: you can start tonight without a plan, and a missed episode does not ruin it. about 4.6 hours for the run, 6 evenings at two a night. Rule: episodic, slice-of-life, or comedy/action ≤ 26 episodes → easy to drop in.

This verdict comes from rules over the title's format, length and tags, not from a review — the rule that fired is named above.

The facts

Type: TV series
Episodes: 12
Episode length: 23 min
Total time: about 4.6 hours — a weekend
First aired: Winter 2012
Status: Finished
Studio: Production I.G, Xebec, Inc.
Score: 6.89/10 across the listing sites
Tags: action, aliens, comedy, drama, ecchi, fantasy, friendship, mecha, post-apocalyptic, robots & AI, school, sci-fi, violence, yuri

Data from anime-offline-database (ODbL) as of 2026-07-04; the score is the median of the scores the anime listing sites give it, on a 1–10 scale. Also listed as: Rinne no Lagrange: Flower Declaration of Your Heart; Lagrange -The Flower of Rin-ne; Lagrange: The Flower of Rin-ne.

Do you and a friend both want to watch Rinne no Lagrange?

Queue Up reads two public AniList lists and shows every anime you both have on Planning — with Rinne no Lagrange flagged if it is one of them — then picks tonight's with a weighted roll or a bracket.

Or open it on AniList or MyAnimeList.

More like this: action · aliens · comedy · drama · fantasy · friendship · mecha · post-apocalyptic · robots & AI · school · sci-fi · yuri.

Quick answers

How long does it take to watch all of Rinne no Lagrange?: About 4.6 hours for all 12 episodes at 23 min each — a weekend; at two episodes a night that is 6 evenings.
How many episodes does Rinne no Lagrange have?: 12 episodes of 23 min.
Is Rinne no Lagrange finished?: Yes, Rinne no Lagrange is finished (12 episodes), so you can watch the whole thing at your own pace.
Is Rinne no Lagrange good for a group?: Yes. Rinne no Lagrange is tagged action, comedy, the tags that survive a room full of people talking over the screen.
Where is Rinne no Lagrange listed?: Rinne no Lagrange is on AniList (id 11227) and MyAnimeList (id 11227); Queue Up keys it by its AniList id and shows it when it is on either of your lists.

Queue Up is a free tool: enter two AniList usernames and it ranks the anime you both want to watch, rolls one for tonight, runs a bracket to settle it and finds new anime that fit both of you. List data from AniList; title data: anime-offline-database (ODbL), dataset of 2026-07-04; page updated 2026-07-04. Not affiliated with AniList or MyAnimeList. Queue Up is a Somebody Decide program. How it works · Legal & privacy · All lists