While Natsuiro no Kowaremono falls into niche categories (often overlapping with mature/dark themes), its appeal lies in its unflinching honesty. Many visual novels romanticize mental illness or use it solely as a plot device for "moe" (cuteness). However, this franchise, and by extension the "After" content, treats the subject with a heavy, sometimes horror-esque gravity.
Just don’t save your game before midnight. natsuiro no kowaremono after