这是一场关于语言的战斗：两年前，青柳清明被神秘组织所杀，当时还是小学4年级的主人公青柳立夏不仅失去了他的哥哥而且还失去了唯一一个能够理解他的人。从那次以后，立夏开始变得有点奇怪，甚至有点双重人格的倾向。6年级的时候，立夏遇到了自称曾经视哥哥清明为主人而自己作为战斗机战斗过的我妻 草灯。在那里草灯竟主动要求立夏成为他的主人，当立夏知道自己的哥哥清明是被一个叫做[七之月]的神秘组织所杀的时候，决定与草灯一同作战，希望能够调查出清明被杀的真相。成为草灯的主人并名为LOVELESS[无爱者]的青柳 立夏以及身为他的战斗机的我妻 草灯，一场使用语言的战斗即将开始。。。

As Ritsuka continues to mourn the loss of his brother Seimei, he endures abuse at home, bullying at school, and the threat of new assassins on his tracks. Can he sort through it all and unlock the secret behind Seimei's death?

Ritsuka skips school so he can stay up late talking to Nana through Wisdom Resurrection. As a shocking truth is revealed, Ritsuka has faith in his brother and his love for him, but evidence is building that Seimeis fate might not have been what Ritsuka believed it to be. Older teens.