Thirteen girls, each with the ability to materialize "Elements" and summon metallic guardians called "Childs" have been brought to Fuuka Academy to battle mysterious creatures called Orphans. Each with a different personality and background, they must decide who they truly care about and why they fight.

Haruto and his comrades continue to fight against the forces of Dorssia. However, many things remain unanswered in the midst of battle, including the past of L-Elf and his fellow soldier's past, the destiny of the mysterious girl Liselotte, and the feelings of Haruto, Shouko, and Saki. The relationships and loyalty of each and every member of each army will be tested as the clash of ideals and power reaches its climax. (Source: ANN)

Yachiyo Inugami, a cat-loving extrovert, and Suzu Nekoyama, a dog-loving introvert, are unexpectedly cast into a relationship on a day like any other. The pair find themselves drawn together through an inexplicable attraction of their opposite personalities. As they quickly begin to understand one another, Inugami's hardened resolve to gain Nekoyama's favor only leads to frenzied responses. Soon after their momentous union, the two begin to spend more time with one another, growing closer all the while. Their combined antics gain the attention of the mousy Mikine Nezu, a classmate of Inugami, and soon they join the "biology" club. There, they meet Ushikawa Ukiji, a passive, cow-like upperclassmen. Nezu and Nekoyama soon begin to build upon their relationship and a game of cat and mouse soon begins. Wild, explosive, and vibrant, Inugami-san to Nekoyama-san tells the comedic tale of two high school girls and their less-than-normal relationship. [Written by MAL Rewrite]

Originally from a big city, Futaba Ooki spends most days cataloguing her life through pictures on her phone. Upon moving to a seaside town, she gazes out over the vast expanse of sea and quickly becomes captivated by its endless possibilities. Unbeknownst to Futaba, her quiet contemplation catches the attention of local diving enthusiast Hikari Kohinata. Finding herself in the same class as Futaba the next day, Hikari is drawn to her quiet and shy demeanor and affectionately nicknames her Teko, sparking a tender friendship. Struggling to adapt to the change of pace in her life, Futaba finds herself strung along by Hikari's vast energy and passion for diving. Together, they join the school diving club, led by their homeroom teacher Mato Katori. With Hikari by her side, Futaba works to earn her diving certification while experiencing new friendships and possibilities. [Written by MAL Rewrite]