Home/Discover/Strategies of Sea Observation 2Strategies of Sea Observation 2Strategies of Sea Observation 22020 · ONA · 16 episodes▶ Watch episode 1+ My list OverviewEpisodesThe storyONASecond season of Guan Hai Ce.EpisodesChoose your next chapterEpisode titles follow your spoiler shield.Edit watched progress1Episode 120 min▶2Episode 220 min▶3Episode 320 min▶4Episode 420 min▶5Episode 520 min▶6Episode 620 min▶7Episode 720 min▶8Episode 820 min▶9Episode 920 min▶10Episode 1020 min▶11Episode 1120 min▶12Episode 1220 min▶13Episode 1320 min▶14Episode 1420 min▶15Episode 1520 min▶16Episode 1620 min▶More in this worldRelated animeStrategies of Sea ObservationONA · 2018