WeloveManga (a fan-sharing platform known for hosting raw, untranslated manga chapters).
Here is the informative text regarding your request for YOWA YOWA SENSEI - chap 112 Raw Manga on WeloveManga: YOWA YOWA SENSEI - chap 112 Raw Manga - WeloveManga
Yowa Yowa Sensei (よわよわ先生)