[Machine Translation] The "Onii-chan CD" is back! The 5th volume of the delusional voice CD series! It's back with even more destructive and exciting power-ups! This work not only includes the line "Onii-chan", but also 10 different types of "Onii-chan" (sister moe onii-chan)! This time, you can not only say "onii-chan", but also call out lines to 10 different sister moe onii-chan in exciting situations!