Your last sentence is most probably the key to my problem.
I ever thought the snowflake represent alle possible endings.
Spoilers ahead:
So far then I have collected the Bad End, Lost End, Dead End, Good End and True End.
Okay, so the end you're missing is the Sad End. I guess if I add loads of blank space (ha), then you should only see the following hint if you expand the comment.
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Chris will need to have interacted positively with Beryl (think like heading towards the Good or True ends), but have been nihilistic himself (think "This is stupid, this isn't helping, who cares, it's all a waste" type choices).
UPDATE:
Thank you so much, it worked for me. Now I got all endings :)
BTW: Do you (or NoBreadStudio Team) work on new projects currently? Like I said in comments of EGC page, I really looking forward for a sequel of that game (story including voice acting, music and art are absolutely awesome) or new created stories in general.
Delighted that you were able to find those last endings :)
NoBreadStudio do have more ideas in the pipeline, progress has been slowed by sad realities like folk needing to do the mundane bits of life that result in funds coming in to keep a roof overhead and food on the table, but the internal pace is picking up a bit again now. We can't wait to share more when we can!