Two best friends living in a rural Japanese village: Yoshiki and Hikaru. Growing up together, they were inseparable… until the day Hikaru came back from the mountains, and was no longer himself. “Something” has taken over Hikaru’s body, memories, feelings… and everything they know begins to unravel.
The Summer Hikaru Died is currently airing and it will have 12 Episodes. It is also Known as: 光が死んだ夏, Hikaru ga Shinda Natsu
Genres: Horror, Mystery, Psychological, Supernatural, Thriller, Shounen Ai, Angst, Drama, Romance
Top 6 Anime Like Hikaru ga Shinda Natsu
6. Shiki

Fifteen-year-old Megumi Shimizu dreamed of a glamorous life in the big city; however, her unexpected death in the quiet village of Sotoba marks the beginning of what appears to be a ferocious epidemic that turns the hot summer into a season of blood and terror. A young doctor named Toshio Ozaki begins to doubt the nature of the disease and comes to understand that to discover the truth, he must abandon his humanity. Meanwhile, Natsuno Yuuki, an antisocial youth from the city, is haunted by the sudden death of Megumi and must realize the pain of friendship in the face of his own tragedy. Toshio and Natsuno form an unlikely pair as they work together to save Sotoba before it transforms into a ghost town of vampires.Shiki, adapted from the horror novel written by Fuyumi Ono, goes beyond the average vampire story. It tells the tragic tale of survival in a world where one cannot easily distinguish between good and evil. Abandoned by God, the Shiki, as the vampires call themselves, have only their will to live as they clash with the fear of the paranoid/unbelieving villagers. Shiki explores the boundary that separates man from monster.
Shiki is finished and has 22 Episodes. It is also Known as: 屍鬼, Corpse Demon
5. Summer Time Rendering

A sci-fi, summer story filled with suspense set on a small island with Shinpei Aijiro, whose childhood friend Ushio Kofune died. He returns to his hometown for the first time in two years for the funeral. Sou Hishigata, his best friend, suspects something's off with Ushio's death, and that someone can die next.
A sinister omen is heard as an entire family next door suddenly disappears the following day. Furthermore, Mio implicates a "shadow" three days before Ushio's death.
Summer Time Rendering is finished and has 25 Episodes. It is also Known as: Summer Time Render, サマータイムレンダ, Summertime Render, ปริศนาบ้านเก่า เงามรณะ, A Ilha das Sombras, 夏日重现
4. Look Back

Popular, outgoing Fujino is celebrated by her classmates for her funny comics in the class newspaper. One day, her teacher asks her to share the space with Kyomoto, a truant recluse whose beautiful artwork sparks a competitive fervor in Fujino. What starts as jealousy transforms when Fujino realizes their shared passion for drawing.
Look Back is finished and has 1 Episodes. It is also Known as: ルックバック, LOOK BACK
3. Shinsekai yori

Following a sudden outbreak of psychokinesis in 0.1% of the population, a rapid transformation swept the world. The godlike ability to manipulate matter remotely turned many power wielders to violence, inciting a long period of upheaval. Finally, after a chaotic era shaped by the rise and fall of oppressive regimes, the psychic humans were able to achieve a fragile peace by isolating their society, creating a new world bound by complex rules.
In the town of Kamisu 66, 12-year-old Saki Watanabe has just awakened to her powers and is relieved to rejoin her friends—the mischievous Satoru Asahina, the shy Mamoru Itou, the cheerful Maria Akizuki, and Shun Aonuma, a mysterious boy whom Saki admires—at Sage Academy, a special school for psychics. However, unease looms as Saki begins to question the fate of those unable to awaken to their powers, and the children begin to get involved with secretive matters such as the rumored Tainted Cats said to abduct children.Shinsekai yori tells the unique coming-of-age story of Saki and her friends as they journey to grow into their roles in the supposed utopia. Accepting these roles, however, might not come easy when faced with the dark and shocking truths of society, and the impending havoc born from the new world.
From the New World is finished and has 25 Episodes. It is also Known as: 新世界より, Shin Sekai yori
2. Kiseijuu: Sei no Kakuritsu

All of a sudden, they arrived: parasitic aliens that descended upon Earth and quickly infiltrated humanity by burrowing into the brains of vulnerable targets. These insatiable beings acquire full control of their host and are able to morph into a variety of forms in order to feed on unsuspecting prey.
Sixteen-year-old high school student Shinichi Izumi falls victim to one of these parasites, but it fails to take over his brain, ending up in his right hand instead. Unable to relocate, the parasite, now named Migi, has no choice but to rely on Shinichi in order to stay alive. Thus, the pair is forced into an uneasy coexistence and must defend themselves from hostile parasites that hope to eradicate this new threat to their species.
Parasyte -the maxim- is finished and has 24 Episodes. It is also Known as: 寄生獣 セイの格率, Parasite, Parasitic Beasts, Parasyte
1. Higurashi no Naku Koro ni

Keiichi Maebara has just moved to the quiet little village of Hinamizawa in the summer of 1983, and quickly becomes inseparable friends with schoolmates Rena Ryuuguu, Mion Sonozaki, Satoko Houjou, and Rika Furude. However, darkness lurks underneath the seemingly idyllic life they lead.
As the village prepares for its annual festival, Keiichi learns about the local legends surrounding it. To his horror, he discovers that there have been several murders and disappearances in the village in the recent years, and that they all seem to be connected to the festival and the village's patron god, Oyashiro. Keiichi tries to ask his new friends about these incidents, but they are suspiciously silent and refuse to give him the answers he needs. As more and more bizarre events occur, he wonders just what else his friends might be keeping from him, and if he can even trust them at all.
When madness and paranoia begin taking root in Keiichi's heart, he will stumble straight into the mysteries at work in Higurashi no Naku Koro ni, a story that is told across multiple arcs.
When They Cry is finished and has 26 Episodes. It is also Known as: ひぐらしのなく頃に, When the Cicadas Cry, The Moment the Cicadas Cry