He was also against military action against the Korean kingdom of Silla, which led to Ōtomo's fall from power.
Kikoyu made amends to the emperor, and Mononobe, concerned that he might be implicated in some way, donated two villages under his jurisdiction to the crown.
[2] Mononobe and his counterpart Ōtomo no Kanamura were strongly against the introduction of Buddhism to Japan, and argued fiercely against it.
[4] Mononobe was also responsible for his colleague Ōtomo no Kanamura's fall from grace, when the two of them disagreed on military action against the Korean kingdom of Silla.
Whilst Otomo adopted an aggressive policy towards the neighbouring kingdom, Mononobe was able to persuade Emperor Kimmei that Japan's ally Baekje would serve as an effective buffer state, and that there was no need to pursue war with Silla.