Ivan Goncharov

Ivan Goncharov (イバンゴンチャロフ (Ibangoncharofu,) is a member of the Rats in the House of the Dead. His ability is The Precipice.

Plot
Goncharov first appears in Chapter 51 with Fyodor Dostoyevsky when he serves him tea.

He later on appears in Chapter 52 where he attacks Atsushi Nakajima and Ryunosuke Akutagawa. Using his ability and the assistance of Alexander Pushkin, they manage to infect both Akutagawa and Atsushi with the virus.