Here is the full list of all 15 YONESAWARA HOSPITAL achievements.
Pick up all diaries, memos, business journals, and weekly newsletters.
I'll pick up the business logbook.
Picking up the diaries of hospitalized patients.
Pick up all the diaries of Sousuke Yonesunohara.
Pick up the business logbook, pick up everything.
Pick up all the diaries of hospitalized patients.
Take one photo in Exploration mode.
Pick up the Weekly Hissyuu.
Pick up all the Weekly Brush Autumn and pick up the mask of Lord Osin.
I'm leaving without exploring.
Watch True Endings.
Kishimi will take you in.
The Truth About Room 15.
Clear at higher difficulty levels.