Home/Discover/Strategies of Sea ObservationStrategies of Sea ObservationStrategies of Sea Observation2018 · ONA · 16 episodes▶ Watch episode 1+ My list OverviewEpisodesThe storyONAA synopsis hasn’t been added to this catalog entry yet.Martial ArtsHistoricalActionFantasyMilitaryEpisodesChoose your next chapterEpisode titles follow your spoiler shield.Edit watched progress1Episode 121 min▶2Episode 221 min▶3Episode 321 min▶4Episode 421 min▶5Episode 521 min▶6Episode 621 min▶7Episode 721 min▶8Episode 821 min▶9Episode 921 min▶10Episode 1021 min▶11Episode 1121 min▶12Episode 1221 min▶13Episode 1321 min▶14Episode 1421 min▶15Episode 1521 min▶16Episode 1621 min▶More in this worldRelated animeStrategies of Sea Observation 2ONA · 2020