O: "Sone, you're under arrest."
S: "Wait, why would you arrest YOU?"
O: "No, you're under arrest. You're not YOU. You're you."
S: "Leave YOU out of this! If you're gonna arrest anyone, it should be me!"
If Kanoko's poison kills like cyanide by restricting blood vessels, Sone might allow himself to be poisoned (so You-san can capture Det. Imura)
But before Sone dies, he might take a ton of Jumbo MAX to expand his blood vessels as an antidote to counter the poison.
Another narrative obstacle...
1) Sone trying to set Kanoko up, Sone losing his placenta stash, Akane revealing the child's true paternity, Kanoko threatening Kayo-chan, Kanoko extorting Sone's divorce, Kanoko trying to murder Sone, Osaragi and senpai getting blown to hell... The plot is intricate, but easy to follow. The...