Piano teacher Yumma Michiko (alias) has long harbored a desire for punishment. She met her current master, Mr. S (father of a student at her piano school), through social media and established a master-servant relationship with him (the details of which are described in her confession diary). Mr. S saw through her deep masochistic tendencies and decided to subject her not only to punishment play but also to gang rape, enema, bondage, anal torture, and various other forms of training. This training included submitting videos or photos recording her shameful appearance, as well as articles detailing her experiences, to SM magazines so that enthusiasts could watch her growth as a slave. This work is a compilation of some of the training records she herself sent under the command of her master.
