し
いた
None
Dig up a mole and you attain a mole status. You're always trying to attain a new level for yourself and now you get to be on the mole level!
Mole isn't enough, you want to attain sheep (し) status next. Everyone knows it goes human > mole> sheep. Now you need to stand in the field with the mole and get a sheep to come over.
Currently there are no similar looking kanji which exist in the WaniKani learning system