My Next Life as a Villainess: All Routes Lead to Doom! Novel Volume 12 was written by Satoru Yamaguchi and features art by Nami Hidaka.

Katarina was so looking forward to a peaceful career at the Magical Ministry, interspersed with sunny days spent tending her vegetable garden… Too bad fate has other things in store, namely new potential Bad Ends and an array of new powers befitting a villainess.The latest threat emerges in the form of a power-hungry nobleman seeking to exert influence over the royal family. Meanwhile, a challenger appears to contest Katarina's protracted engagement to Prince Jeord! What's more, this rival turns out to be someone Katarina knows very well.Hijinks ensue in the twelfth installment of the disastrous rom-com we can't get enough of!