Pick October 2017's Hidden Gem

Nobunaga no Chef
Ken, a modern age chef, finds himself in back in the 16th century during the warring states period. Lacking any recollection of who he once was or how he arrived at such a time, he only has his knowledge and skills in cooking to rely on. But as he gains the reputation for his incredible food, who else would come to demand his services than Oda Nobunaga himself.

Kodomo wa Wakatte Agenai
A narrative of self-discovery masquerading as a coming of age romance, a family composition drama, a procedural detective story, and a superpowered thriller. Sakuta Minami openly professes the many loves of her life: Matsumoto Leiji anime, her family, swimming, Magical Plastering Girl Buffalo Koteko, but the unanswered questions surrounding her mother's separation from her natural father have nagged her all her life. Moji Shouhei, an anime geek with prodigious talent for calligraphy, holds in his gifted hands both a physical key to the school roof of their high school as well as the figurative key to finally unraveling the mystery of Minami's father.

Partner
Shoujo manga that quickly turns dark. When the story begins, we are introduced to identical twins, Ousawa Nae (oldest) and Ousawa Moe (youngest). The twins are best friends with a set of fraternal twins, Soeda Takeshi (younger) and Soeda Ken (older). Nae likes Ken, who happens to be the boyfriend of her twin sister. Typical shoujo plot right? Wrong. Things take a quite a twist shortly thereafter.