Season 1
When an extraterrestrial organism known as "Savage" attacks mankind, the only technology capable of combating the enemy is a weapon known as “Hundred.” A survivor of a Savage attack, Hayato Kisaragi is a teenager boasting the highest compatibility level with the aforementioned technology and as a result, is invited to master his skills at Little Garden, a prestigious military academy aboard a battleship. Over the course of his intense training for the battle ahead, he immediately attracts the interest of multiple female peers and gets drawn into a number of incidents as he tries to fight against the creatures that now inhabit Earth and threaten its safety.
Episodes
1 Little Garden Apr 5, 2016 
2 The Invincible Queen Apr 12, 2016 
3 Variant Awakening Apr 19, 2016 
4 Bodyguard Apr 26, 2016 
5 Imitation Girl May 3, 2016 
6 The Diva's Love Song May 10, 2016 
7 The Captured Sleeping Beauty May 17, 2016 
8 Night at the Lake May 24, 2016 
9 Dragon Type May 31, 2016 
10 School Festa Jun 7, 2016 
11 Garden's Crisis Jun 14, 2016 
12 Friends Jun 21, 2016