Hirano Hasegawa
長谷川平乃
A polite girl who can deal a sleep-inducing karate chop. Her name is based on Hasegawa Heizo. (Source: Wikipedia)
Apparitions
Detective Opera Milky Holmes
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Detective Opera Milky Holmes 2
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Tantei Opera Milky Holmes Movie: Gyakushuu no Milky Holmes
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Futari wa Milky Holmes
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Detective Opera Milky Holmes: Arsene Karei naru Yokubou
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Tantei Opera Milky Holmes: Psycho no Aisatsu
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Tantei Opera Milky Holmes: Fun Fun Party Night♪ - Ken to Janet no Okurimono
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Detective Opera Milky Holmes: Summer Special
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