Poor baldy Yamcha-sensei.
Aside of that, it will be his integrity on the line.
Now that Oda shows/admits their weakness, it's basically something like "assisted suicide". Something like last message of "I'll let you kill me if you want me gone," (That, I'll do in an instant).
But at this point, will Akechi betray Oda again for Oda-chan? Will his guilt be in his way between Akechi and Oda-chan? (I WILL BETRAY HIM AT THAT SECOND!)