Natsuki Subaru

Natsuki Subaru (ナツキ・スバル) is the main protagonist of the Re:Zero kara Hajimeru Isekai Seikatsu light novel, manga, and anime. He is a shut-in NEET who is sent to a fantasy world.

Abilities
Return by Death: Returns the ability user to a "save point" after death.

Yin: Not literally connected to four elements but very famous. A well-known user of this kind of skill is Beatrice.

Emilia
Subaru falls in love with her at first glance. He devoted himself to protecting her no matter what happens to him, even if that meant going back in time by dying.