Watashi wa umi (partially lost japanese drama series; 1978-1979)
From The Lost Media Wiki
Watashi wa umi was the 22nd asadora airing from October 2, 1978 to March 31, 1979 for a total of 153 episodes the plot is about a woman raising war orphans only three episodes survive these being episode 1, 131 153 episode 131 was unearthed from an off-air vhs recording https://www2.nhk.or.jp/archives/tv60bin/detail/index.cgi?das_id=D0009010230_00000