The protagonist played by Inukai Takajo finds himself a resident of the BL comic world and feels at a loss for this sudden change.He tried to find a way back to the real world, but he found himself trapped by the love flag of this BL world.The characters he loved in the comics were now right in front of him. Every smile and look they gave him seemed to be an invitation to fall in love with him.

But he wanted to fall in love with a girl no matter what. In order to avoid the love attacks from the beautiful men around him, he read a lot of reference materials (BL comics), but one after another “BL Love FLAG” were pushed towards him.