I find it so funny that Wakaba (sweetheart, horrible judge of character most of the time, especially when it comes to the pretty boys/men in her life) canonically hates Touga's guts like. In episode 35 she hears his voice and this is her immediate response
She looks ready to physically attack if necessary. Where's our "Wakaba tackles Touga down a flight of stairs, killing him instantly" episode Ikuhara