Seiken Tsukai no World Break – Vol. 9 – prologue Taekan Seiken Tsukai no World Break June 9, 2020 And together with latest chapter of Machine-Doll, enjoy the super short prologue of Seiken vol 9!! Go to Seiken Tsukai no World Break – Volume 9 – Prologue Share this:TwitterFacebookLike Loading... Related Published June 9, 2020