Tetsuya Takeuchi is a beloved animator, and as it tends to happen, it’s his action work that receives the most attention. Though many do know he builds upon his characteristic articulation of acting, fewer realize how strongly he’s driven by broader interests—and how many of them happen to be concentrated in Tensei Ojisan, his well-meaning, cute debut as TV anime director. It’s not always that you can tell how directly a lead creative’s style and interests map to the characteristics...