Raw: /g/1101997/1e68aac370/ Support the artist: https://ec.toranoana.jp/tora_r/ec/item/040030446351 (Shiawase no Katachi) Translator: https://smdc-translations.com/ (SMDC)
It seems to be a sequel to Katashibu! I've commissioned a translation of the 2nd part. The 3rd part was released this last January but hasn't been scanned yet. There's also a 4th (and final?) part that the artist plans to draw. It seems to follow the same pattern as Katashibu.