Fics like Oh my Love, we will save you.

Qifrey loses against the silverwood tree and leaves behind Olruggio and the girls. Olruggio doesn't find the strength to care for Qifrey's apprentices or to find a cure, so he becomes a grieving hermit. Coco and Agott on the other hand never give up. They meet again six years later, to discuss a possible way to get their beloved former teacher back.

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1. Only A Friend Would Make by the_lonely_crow (とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Manga))
2. A Ballade of Mending Stars by moonlea_raine (とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Manga), とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Anime))
3. You've Got to Stand It by vaguely_concerned (とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Manga))
4. Our Brother by DrMiniPie (とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Manga))
5. the only star i still see by ormufiry (とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Manga))
6. Yours and Mine by blueleviathan (とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Manga), とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Anime))
7. Angiosperms by shrub (とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Manga))
8. Again and Again (とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Manga))
9. Gradually, Then Complete by Sylpherna (とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Manga), とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Anime))
10. Bright One, Make It Real by CalamityUnlocked (とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Manga))
11. Sprout by shrub (とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Manga))
12. How to Get a Mate in 14 Days by GoldenKnightBirdie (とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Anime), とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Manga))
13. make a scene by thegoldenappleofdiscord (とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Manga))
14. After The Leaves Fall by lifeisshortkissyourfriends (とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Manga))
15. even land-locked lovers yearn by clianthea (とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Manga), とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Anime))
16. if you ever get lost by HeckinHoot (とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Manga))
17. Every Time Master Qifrey Serves Himself on a Silver Platter and Master Olruggio Somehow Becomes Denser Than a Black Hole by SilverWoodAnime2001 (とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Manga), とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Anime))
18. Inhibitions by HeckinHoot (とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Manga))
19. Silver Children by TheGoliathBeetle (とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Manga))
20. Your Lie for My Life by ormufiry (とんがり帽子のアトリエ | Tongari Boushi no Atelier | Witch Hat Atelier (Manga))