When he holds a mysterious red book and chants a spell, a lightning attack comes forth. When this strange boy Gash arrives at his house, the life of lazy middle-schooler Kiyomaro Takamine is thrown into chaos!! Gradually, Gash's true identity and abilities are revealed! Children from the demon world come and attack one after another!! What is the destiny of Kiyomaro, who has decided to fight alongside Gash.!? New super-intense battle action!!
(Source: AnimeNfo)

Akiyama resume:

One day a tanuki named Monoko stumbles across a baby abandoned by its mother. Having no family of her own, she raises the baby to the best of her ability even though they originate from different species. Hardships and enemies face the tanukis but that doesn't stop Monoko protecting the baby at all costs. Many trials await this baby as it grows and communicates with the animal world.

After a series of bizarre incidents in his school, student Kometaki Okaka decided to investigate the cause of it. What he discovers will turn his world upside down.

(Source: MU)

Mariko is stuck in a job where she is constantly messing things up and being berated, to the point where she almost wants to just give up entirely. She accepts an invitation to go offroad motorbiking with some guys, to relieve her job stress and possibly even find something in her life she can enjoy.