Mushoku Tensei ~Isekai Ittara Honki Dasu~ Special Book無職転生 ～異世界行ったら本気だす～ スペシャルブック; Mushoku Tensei: Jobless Reincarnation – A Journey of Two Lifetimes; Jobless Reincarnation: I'll Try Seriously If I Go To Another World - Special Book; Mushoku Tensei Special Book Side Stories