If you're looking for anime similar to Chaos;Child: Silent Sky, you might like these titles.
A divergent continuation of the original Steins;Gate ending, Steins;Gate 0 explores an alternate worldline where Okabe abandons time travel. While attempting to forget past traumas and get his life back on track, he meets an AI that re-opens old wounds.
Takumi is a reclusive otaku who wants nothing more than to be left alone to play online games and watch anime. He only attends the minimum necessary to pass his classes, and rarely leaves his cramped room except to purchase the newest figurines. One evening, while Takumi is chatting online with his friend "Grim," a stranger called "Shogun" joins the channel and, after "Grim" leaves, posts a series of disturbing photographs depicting a man impaled to a wall with metal stakes. The following day, Takumi is horrified when he wanders into an alley and once again sees Shogun’s images – but this time, the gruesome scene is reality. From then on, Takumi sees the world through a new set of eyes; imaginary delusions meld with reality, and he isn't sure who he can trust. With suspicions and confusion at every turn, Takumi must struggle to determine what's going on - but most importantly, whose eyes are those eyes?
Kuzumi Hiroshi moves with his crippled sister and his father to the remote city of Jouga, which is famous for its hassaku citrus and the rumors that a species of enormous wolves once lived in the area. While some of the residents are more than friendly, when people begin to vanish suddenly, it becomes apparent that something sinister is afoot...
After their punishment game backfires, Keiichi, Mion, Rena, Satoko and Rika are forced to parade around the village in embarrassing costumes. Once they reach a fork in the road the club decide to visit the nearby abandoned village of Yagouchi, partly to show Keiichi and Rena around and partly to escape the stares of the villagers! When they arrive in Yagouchi, after hearing about the abandoned quarry over the hill Keiichi and Rena decide it would be fun to investigate. But Rika and Mion try to talk them out of it, as two people died there of unknown causes seven years previously. What happened at the quarry back then, and what exactly is 'the pit' that Rika keeps referring to?
Several months have passed since the horrific events in Hinamizawa came to an end. Little by little life returns to normal, with Rika and her friends doing their best to put the past them and mend their old wounds. All seems to be going well until one day tragedy strikes again as Rika is unexpectedly involved in a bloody traffic accident that shatters her short-lived peace. As she wakes, she finds herself thrust back into the nightmare summer of 1983, and sets out to once again correct Hinamizawa's twisted killing cycle. Rika soon realizes, however, that such a task is more difficult than she first imagined; this Hinamizawa is drastically different from all those in the past, and now more than just her own life is at stake...
In Japan, there is a disturbing rumor being spread that people's shadows are ripping from their bodies, never to be seen again. For one young man, the frightening nature of this rumor is just beginning to manifest in the form of a nightmarish world that he can't seem to escape from. In this place full of dark minions and demons, he and his friends fight futilely against unknown enemies, only to be brought back to the "real world" as quickly as they left it. Is this real, or a dream? Only one person holds the key to destroying and saving the world as he knows it...
Makoto Naegi is under suspicion of treason after shielding a remnant of Despair. The Future Foundation, founded to save the world from chaos caused by Ultimate Despair, gathers to decide his punishment when they are captured by Monokuma. Thrusted into an ultimate death game, they must find the true traitor and kill him if they hope to survive. The tale of despair in which hope kills hope begins.