It looks like you're asking for a long article based on the Japanese phrase (ママ活 乱れるママたちの秘密 - 01).
“Mama-tachi” (mothers, plural) implies a network or community — not isolated affairs. “Himitsu” (secrets) suggests layers: hidden from husbands, children, and society. The “- 01” marks this as an episodic series, probably with each episode revealing another mother’s secret. Mama Katsu Midareru Mama-tachi no Himitsu - 01 ...
If you are researching this keyword for academic or journalistic purposes, be aware that full episodes are restricted to adult platforms. The cultural conversation, however, is wide open. It looks like you're asking for a long