All Books
Titles are shown in Japanese, with provisional English translations.
2026
- 眠れない夜は、僕の声を聴いて。Listen to My Voice on Sleepless Nights (a read-aloud poetry collection)WAVE Publishers · 2026
2025
2023
- 人生まですっきりする眠りかた: 「いい眠り」は起きている間に決まりますSleep That Clears Even Your Life: Good Sleep Is Decided While You Are AwakeOhsama Bunko · 2023
2022
- ぐっすり眠れる不思議な塗り絵 世界の絶景Mysterious Coloring Book for Deep Sleep: Spectacular Views of the WorldSeitosha · 2022
- 頑張りすぎる人のための疲れない習慣 (朝・昼・晩のケアと眠り方)Habits That Keep You From Burning Out, for People Who Try Too HardIe-No-Hikari Association · 2022
2021
2020
- 냥이선생님 쿠우와 카이에게 배우는 푹 자는 수면법(ねこ先生クウとカイに教わる ぐっすり睡眠法 韓国語版)Korean edition: Deep Sleep Methods Taught by the Cat Teachers Kuu and KaiKADOKAWA · 2020
- 眠れないあなたを救う 睡眠ファーストSleep First: Saving You From SleeplessnessShufunotomo · 2020 · Taiwanese edition announced
- 越睡越瘦的睡眠聖經: 改變人生的神奇魔法(大人女子のための睡眠パーフェクトブック台湾語翻訳版)Taiwanese edition: The Perfect Sleep Book for Grown-Up WomenDaiwa Shobo · 2020
2019
- 여성 수면 사용 설명서(大人女子のための睡眠パーフェクトブック韓国語翻訳版)Korean edition: The Perfect Sleep Book for Grown-Up WomenDaiwa Shobo · 2019
2018
- ねこ先生クウとカイに教わる ぐっすり睡眠法Deep Sleep Methods Taught by the Cat Teachers Kuu and KaiKADOKAWA · 2018 · Korean edition announced
- ナチュラルビューティスタイリスト検定 公式テキスト(睡眠項目)Natural Beauty Stylist Certification, Official Textbook (sleep section)Aroma Environment Association of Japan (AEAJ) · 2018
- 女人都想要的 睡眠圣经(大人女子のための睡眠パーフェクトブック中国語翻訳版)Chinese edition: The Perfect Sleep Book for Grown-Up WomenDaiwa Shobo · 2018
2017
- 朝まで深睡眠 履いて→眠る→朝までぽかぽか、ぐっすり睡眠! 疲れとり足首ウォーマー ナチュラルピンクDeep Sleep Until Morning: Fatigue-Relief Ankle WarmersKADOKAWA · 2017 · Taiwanese edition announced
- 毎朝、目覚めるのが楽しみになる 大人女子のための睡眠パーフェクトブックThe Perfect Sleep Book for Grown-Up Women: Look Forward to Waking Up Every MorningDaiwa Shobo · 2017 · Chinese, Taiwanese, and Korean editions announced
2016
- 朝まで深睡眠 履いて→眠る→朝までぽかぽか、ぐっすり睡眠! 疲れとり足首ウォーマーDeep Sleep Until Morning: Fatigue-Relief Ankle WarmersKADOKAWA · 2016
2015
2014
- きょうの睡眠ダイエットToday's Sleep DietShufu to Seikatsu Sha · 2014 · Korean, Taiwanese, and Chinese editions announced
2012
2011
- 名医が教える女性ホルモン力UP 「-10歳プログラム」Top Doctors Teach: Boosting Female Hormone Power, the "−10 Years" ProgramTransworld Japan · 2011 · Co-authored