Senya wakes up in a strange village with no memories and is immediately greeted by Shinsuke. Shinsuke wants to use the boy's memory loss to turn him into a normal child. However, the thousand battle-hungry Katawara in his body make this task difficult.
so today is the day everything 
started. I was born today.
.لذا يُعتبر اليوم هو البداية. وُلدتُ اليوم
Also hat mein Leben heute angefangen.
así que hoy es mi primer día.
Hoy nací.
así que hoy es mi primer día.
He nacido hoy.
alors pour moi,
tout a commencé aujourd’hui.
perciò, tutto è iniziato oggi.
por isso, decidi que ela começa hoje.
Eu nasci no dia de hoje.
Так что... пусть сегодняшний день
будет первым. Сегодня я появился на свет.