What a great post! And it's a very good thing you've decided to share your thoughts here, regardless of the game's age - it could use some real criticism lol
I have little to add, but I hope you don't mind me sharing some of my thoughts as well ^^
Like, beyond the laughable logistics of two scrawny kids being able to haul a teenager's corpse into a tree with jump rope (not to mention how unlikely it is that an autopsy wouldn't find the real cause of death), you do not 'accidentally' cover up third degree murder.
Ironically, according to the game's director and writer, the plot twist is what it is since it was considered a "believable circumstance."
Which makes me doubt they understand what "believable" means.
This is SO beyond the pale of anything the average person w/ a similar internal struggle could have done, it just sort of feels like it's a caricature of the real problems many depressed and avoidant people deal with/face.
As someone who has repeatedly interacted with the game's fans, it's rather disturbing how they just. Don't care about the sheer gravity of what Sunny's done. At all.
Sunny's guilt over having killed his own sister and having participated in the desecration of her body can be repackaged into a more generic depression. It's just the same, after all. It's not like the guilt of having taken a life and then having lied to everyone has any different impact. The fact Mari's life was cut short at 15 doesn't matter. She doesn't matter. She's just the "terrible mistake" Sunny made. She's what adds weight to his emotions. The cause of the depression.
("the story was never supposed to be about Mari" is also an insane claim given that her death is literally the reason the plot takes place)
Also the way Mari is treated by the narrative legitimately disgusts me. We never get to see her divorced from the memories of her friends and actual killer, so we're just sort of expected to take for granted that she would forgive Sunny for killing her/staging her suicide/putting all her loved ones through this. Quite literally the one time she expresses anger in the whole game, she gets murdered for it and visions of her are then dedicated to patting her brother on the head all like "aww no it's ok 🥺 i know you didn't mean to kill me when you shoved me down those stairs! accidents/lynching people post-mortem happens all the time!". C’mon man.
There is no language that could convey how viscerally I despise this scene.
This goes beyond her patting Sunny on the head. This is her apologizing to her killer for making him kill her. This is the game blatantly victim-blaming her by saying she indeed was at fault for her death because she shouldn't have pissed Sunny off, even though there is no tangible evidence she was overworking him outside of a few sentences in the datamined (!) captions from the Truth sequence. On the contrary, what (little) the game shows us of her in life suggests she was as accomodating to her brother as she could've been.
This doesn't read as the touching moment it's supposed to be to me. It's more reminiscent of a battered wife blaming herself for her husband's volatile temper. I should not be drawing such associatons, yet here I am because this game's writing twists itself into a pretzel to absolve Sunny of any responsibility for his crime with no regard of the implications it would have for the rest of the story.