Everything is so convenient but it's kind of a 'slow life' story anyway, and unlike a lot of slow life stories it doesn't return to complexities. It's what it is and I like it. One spell lasts for a few decades, so she can retire with full conscience. FL and ML express their interest in each other in no uncertain terms ("please go out with me with a view towards marriage" can't be any clearer or more grown-up, though the scanlator opted for a more succinct translation), and awww look at his giddy self-assured face. All wrapped up now.
...until "Youta" comes along, but we'll cross that bridge when we get there.