It's also a little suggestive that Leonard's mother is a fewer neurotic woman Sheldon. Both of the most important woman figures on School Days suit this trope to a T. Depending on the ending, Makoto, the major character, can be stabbed and killed by Sekai, Sekai herself might be killed by the poor Kotonoha, or Kotonoha could be Driven to Suicide although destroying Makoto and Sekai's marriage.