Human drama that arises between a 'Pitiless assassin' and 'One high school girl'. A fierce friendship with the one who risked his life.
Takumi's and Gii's friends and their relationship troubles.
Another school year is starting. Upon meeting up with Gii, Takumi is worried when it turns out Gii has changed, suddenly acting cold and distant. Could their relationship be in danger for real this time?