These episodes focus on the chaotic everyday life in Tempest and are largely non-canon fanservice.
The Tensei shitara Slime Datta Ken (That Time I Got Reincarnated as a Slime) OVAs are a mix of lighthearted side adventures and canon storylines that bridge the gaps between major seasons. Watch Tensei shitara Slime Datta Ken OVA Episod...
: Fed up with Shion and Shuna fighting over him, Rimuru tries to create cushions in his own likeness. This leads to a lakeside picnic and an encounter with a monster that possesses the "unfortunate" ability to dissolve swimsuits. 2. Rimuru’s Life as a Teacher (Episodes 3, 4, & 5) These episodes focus on the chaotic everyday life
: Rimuru introduces sumo wrestling to Tempest as a form of recreation, leading to a hilarious tournament featuring Shion, Shuna, and even Milim. and even Milim.