I think this is actually a form of self-contained moonshine life, which is covered as “Life-and-Death Example 8: triple ko with an eye on one side” within the examples given for the Japanese rules. Note: @Animiral already pointed this out above.
Moonshine life examples are kind of weird, since I think that resolving those involve treating them as a sort of special case. I’ve written a bit more about them here: Odd Cases 🤔 in the Japanese Rules - #132 by yebellz