 If you liked
Hidan no Aria: Butei ga Kitarite Onsen Kenshuu
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 ...then you might like
Hyakka Ryouran: Samurai Bride Specials
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-Same sort of romance/harem type of anime
-Has another character that has her own type of "Hysteria Mode"
-Similar taste of sword fighting, etc.
-Similar character traits shared among the main male characters: such as how they desire a "regular life", etc...
-Action packed
-Full of echi
-And finally, both anime share many characters with each other that have similar traits/behaviours.