You’re always in my memories! Lee Taegun, Is a S-Class Esper who refuses to be guided due to trauma. His new guide, Seo Eun-seong, tries a more gentle guiding that he’s never done before. This soft approach of Seo Eun-Seong, Who never crosses boundaries, only increases Lee Taegun's suspicions. This leads to Lee Taegun's provocation to reveal his true feelings. Will the romance between the two, "Sexy Provocation VS. Iron Wall Defense," Who met as a guide and Esper while keeping a differently remembered past, begin...?