LF Doujin- Divorced Mom previously abused

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Looking for what I think is a newish doujin about a single mom who meets a guy randomly and asks him to watch her son. They get together later and she tells him that her ex abused her and that's why she left him.

Pretty sure the guy was using a condom but that's all I can remember. I may have seen it in a tankoubon but couldn't locate it. Please help a MILF lover out.