(C76) [Rat Tail (Irie Yamazaki)] Yamazaki Kyouju no Shuuchishin Kenkyuujo Model "K-ON!" Akiyama Mio (K-ON!)-(C76) [RAT TAIL (IRIE YAMAZAKI)] 山崎教授の羞恥心研究室 秋山澪 (けいおん!)