ReZERO -Starting Life in Another World- Short Story Collection Vol 5 light novel

Meet Garitch, the venerable magic user man who mentors Ferris in healing magic before a tragedy strikes Lugunica! Meanwhile, in Kararagi a young Anastasia is willing to do whatever it takes to take three catty siblings under her wing. And much later on, Otto is forced to head home…or at least make an attempt. Subaru and Garfiel accompany him on his erstwhile vacation where they’ll be forced to work together if they want to save a town!