discouragement girl;discouragement girl feat. 鏡音リン;RUMOR;Mental Infection;1;1 decay;decay feat. V3 GUMI (Unknown);RUMOR;Mental Infection;1;2 liberation;liberation feat. 鏡音リン;RUMOR;Mental Infection;1;3 Rusted Voice;Rusted Voice feat. V3 GUMI (Unknown);RUMOR;Mental Infection;1;4