Bonus Chapter 4: How to Cool off in Midsummer

How to Cool off in Midsummer (聖女の魔力は万能です, Seijo no Maryoku wa Bannō Desu) is the sixth bonus chapter of the The Saint's Magic Power Is Omnipotent manga series by Yuka Tachibana, published on July 5, 2019 in Japan and July 6, 2021 in the U.S. in the fourth volume.