Hanko Walkthrough
A preserved cigar thingy is titled hanko/inkan in Japanese.(seal in Englsh)
Hanko/Inkan is utilised instead of signatures.
1.exit with potato-hanko(Bad ending)
2.exit with true-hanko w/o watering flowers in the porch.(Normal ending)
3.exit with true-hanko w/ watering flowers in the porch.(Good ending)
Source: Escape Games 24