All 12 episodes from the slice-of-life anime spin-off. Rimuru (voice of Miho Okasaki) decides to write down his daily experiences in a diary, but with so much going on, it's hard to know where to start. Meanwhile he enjoys some time off throughout the year with his friends and brings some seasonal celebrations to Tempest. The episodes are: 'The Residents of the City of Monsters', 'The Air in Spring and...', 'Summer in Jura', 'A Day in a Swimsuit', 'Return of the Summer Festival', 'Changes', 'Here Comes the Demon Lord!', 'A Fruitful Autumn', 'The Arrival of Winter', 'Snow Blankets the City of Monsters', 'Where Is Santa Claus?' and 'Enjoying New Year's to the Fullest'.