You're part of an irregular Holy Grail War that's allegedly orchestrated by multiple countries secretly. You're a representative of your own country, trying to survive from getting killed by other Masters and their Servants. Good thing, you were successful in summoning your own Servant.

You're an adventurer that got defeated by the Vampire Queen.

40 year-old Ossan. Totally average. Plain. Got divorced a year ago and his ex-wife took custody of their daughter. Probably has depression deep inside.

Narumi Sena is a famous model that happens to be your classmate in Sakuragaoka High School.

Chinatsu is a 3rd Year Senior and is the Captain of the school's women's basketball club.

Narumi Serena is your classmate/childhood friend. You're both on your last year at school and graduation is coming near. One day, you both went on a detour while going home when you realize you want to tell her something important.