"You must kiss him." "W-what? Kiss Inumaki-senapi?" "To master his techique, you must know it. All you need is to kiss Inumaki-kun and then you can replicate it." Au, where Gojo-sensei is supporting Okkotsu in learning the cursed speech technique; however, the best hypothesis he has is that in order to replicate the techniques, one must know them closely.