members -- vocals -- guitar , backing vocals -- bass , backing vocals koishikawa -- drums discography ; studio albums , oricon albums chart peak position : no. 132 no. 55 no. 80 no. 41 no. 138 no. 62 ; singles , oricon singles chart peak position : no. 178 , oricon indies chart : no. 11 no. 67 oricon indies chart : no. 2 no. 44 no. 41 no. 38 no. 32 -- first ending theme of the ! anime no. 48 -- second ending theme of the kaichou wa maid-sama !