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Season guide

Nagi-Asu: A Lull in the Sea: Season 1

26 episodes Premiered Oct 3, 2013 Updated Jul 19, 2026
Season 1 Episodes

Episode Guide

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Season 1: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

12%
88%
Mytharc (3): Crucial lore & season climaxes
Core (23): Character development & subplots
Side Quest (0): Standalone / filler
S1·E1 Mytharc

In Between the Sea and the Land

Oct 3, 2013 · 24 min

Because of their Hamaji Junior High School closing, Umimura residents Sakishima Hikari, Mukaido Manaka, Hiradaira Chisaki, and Isaki Kaname are transfered to Mihama Junior High on

S1·E2 Core

The Chilly Desert

Oct 10, 2013 · 24 min

Because of Uroko-sama's curse, Manaka ends up with a fish face on her knee. It goes away the next day, but she has some regrets because Tsumugu had said it was pretty. Meanwhile, H

S1·E3 Core

The Legend of the Sea

Oct 17, 2013 · 24 min

Akari was rounded up by the older men of the village and Hikari and the others try to stop them. It's there that they first hear the rule that if you are seeing someone from the su

S1·E4 Core

Because We're Friends

Oct 24, 2013 · 24 min

Hikari finds out that Akari's boyfriend is in fact the father of the girl who had been picking fights with him, Miuna. Miuna asks him to help break the two apart. The next day, the

S1·E5 Core

Hey, Sea Slug

Oct 31, 2013 · 24 min

Akari is able to tell Uroko-sama and her father how she feels about Itaru, and is starting to smile a little again. Hikari sees that and feels a little better and heads to school.

S1·E6 Core

Beyond Tomoebi

Nov 7, 2013 · 24 min

The students get together in their swimsuits for swimming class. The sea kids are still getting used to school on land, but are starting to get along with the other kids. The teach

S1·E7 Core

The Ofunehiki Shakes

Nov 14, 2013 · 24 min

After school, the classmates get together in the woodshop room for the final stretch of getting the Ojoshi-sama done. After the students finish the Ojoshi-sama, even the teacher ge

S1·E8 Core

Beyond the Wavering Feelings

Nov 21, 2013 · 24 min

Akari decides once and for all that she is going to live on the surface, and Hikari also leaves the house because he feels that Akari isn't being treated fairly.

S1·E9 Core

Unknown Warmth

Nov 28, 2013 · 24 min

Miuna makes a snow sea slug out of the saltflake snow that had fallen on the surface. Meanwhile, Hikari thinks about how his father is doing alone in the sea. In the sea, Uroko-sam

S1·E10 Core

The Saltflake Snow Falls and Falls

Dec 5, 2013 · 24 min

Uroko-sama tells everyone that the Sea God's powers have become much smaller than they used to be, and that the saltflake snow will continue to fall both in the sea and on the surf

S1·E11 Core

The Changing Times

Dec 12, 2013 · 24 min

Kaname suddenly confesses his feelings to Chisaki in front of her parents, and Chisaki doesn't know what to do. Hikari and Manaka do their best to go on with the Ofunehiki, hearing

S1·E12 Core

I Want to be Kind

Dec 19, 2013 · 24 min

Akari makes the decision to take Ojoshi-sama's place in the Ofunehiki and head into to marriage with Itaru like she was headed toward the Sea God. That was when the preparations to

S1·E13 Core

Unreachable Fingertips

Dec 26, 2013 · 24 min

Hikari thinks of Manaka while he's at home, and decides to tell her how he really feels about her. Manaka also tries to tell him something, but then tells him that she'll tell him

S1·E14 Core

The Promised Day

Jan 9, 2014 · 24 min

Five years has passed since the Ofunehiki and Shioshishio's hibernation. Without knowing how Hikari or Manaka or any of the others are doing, now a 19 year old Chisaki goes to visi

S1·E15 Core

The Protector of Smiles

Jan 16, 2014 · 24 min

The day of the Tomoebi, a Hikari who hasn't aged from five years ago, appears in front of Miuna and Tsumugu. He has no memory of what happened since the Ofunehiki, but seems health

S1·E16 Core

The Whispers of the Faraway Waves

Jan 23, 2014 · 24 min

Hikari starts back at Hama Junior High and is in the same class as Miuna and Sayu. He fits right in instantly, making the class laugh and has his old teacher back. But Miuna and Sa

S1·E17 Core

The Sick Two

Jan 30, 2014 · 24 min

Akari tells Hikari and Miuna that she was just informed that Kaname has woken up from his hibernation. They all hurry down to the Fishery Cooperative and find that just like Hikari

S1·E18 Core

Shioshishio

Feb 6, 2014 · 24 min

With Mihashi's lead on how to get into Shioshishio, Hikari, Kaname and Miuna go to investigate. They follow the sound of sand flowing that Miuna keeps hearing and land in Shioshish

S1·E19 Core

The Lost, Lost Little...

Feb 13, 2014 · 24 min

Hikari and the others find Manaka asleep within the graveyard of Ojoshisamas. They manage to bring Manaka, who is losing her Ena, safely to the surface and to the Shiodome househol

S1·E20 Core

Sleeping Beauty

Feb 20, 2014 · 24 min

After finding Manaka in the graveyard of Ojoshisamas, Hikari and the others bring her back up to the surface. They think that she will wake up soon just like Hikari and Kaname did,

S1·E21 Core

The Messenger from the Bottom of the Sea

Feb 27, 2014 · 24 min

While Hikari and Miuna are arguing, Manaka suddenly wakes up. Hikari and Miuna are obviously surprised, but Manaka acts like nothing has changed is all smiles. Other than not knowi

S1·E22 Core

Something Lost

Mar 6, 2014 · 24 min

Tsumugu talks about Uroko-sama and ends up with the curse fish on his arm. This makes Hikari and the others realize that Uroko-sama is not in the sea, but on land. To find out what

S1·E23 Core

Who Do These Feelings Belong To?

Mar 13, 2014 · 24 min

Uroko-sama tells Hikari and Miuna that Manaka has lost the heart to fall in love with anyone. Hikari tries desperately to find a way to turn Manaka back to normal, and has a hard t

S1·E24 Core

Detritus

Mar 20, 2014 · 24 min

Tsumugu dives into the sea after Chisaki. He starts having trouble breathing and is about to lose consciousness, but then suddenly gains Ena. Tsumugu finally catches up to Chisaki

S1·E25 Mytharc

Love Is Like the Sea

Mar 27, 2014 · 24 min

To stall the saltflake snow and try to get Manaka's feelings back, Hikari and the others decide to do another Ofunehiki. The day before the festival, after hearing that the red sea