Where Does the Sea BeginSeason 12024 · 12 episodesEpisodes1Episode 1Natsu unexpectedly learns of his ex-lover's death from a college friend and meets her unknown daughter at the funeral.2Episode 2Natsu's girlfriend Yayoi, when she finds out that Umi is his daughter, gets upset.3Episode 3Natsu recounts his separation from Umi's mother, unaware she was pregnant.4Episode 4Natsu and Umi let go of the emotions that Mizuki's memories stir in them. Meanwhile, Yayoi is in a hurry to get answers.5Episode 5Natsu wants to spend a week with Umi, so he asks Akane what she thinks.6Episode 6Natsu and Umi spend a week together in the Negumo household, and Natsu thinks back to the life Mizuki and Umi led together.7Episode 7Natsu and Umi spend the day at Yayoi's house, between homemade croquettes and impertinent questions.8Episode 8Yayoi has mixed feelings about Umi, while Natsu has to deal with a mysterious person.9Episode 9Natsu notices that Yayoi is flaunting strange behavior with Umi, who treats her as if she were her mother. The relationship between Yayoi and Natsu hangs in the balance.10Episode 10Yayoi and Natsu break up, and the latter decides to live alone with Umi, realizing how difficult it is to raise a daughter alone.11Episode 11Natsu feels guilty seeing Umi sad to leave her school and family to live with him.12Episode 12One morning when Natsu wakes up, Umi is no longer in his house.