FGO Academy: The Holy Grail Is Buried in the Schoolyard

The Holy Grail—buried in the schoolyard. The girl—a transfer student who's been searching for him. The pattern on his hand—a Command Spell he can't erase. Fujimaru Tatsuka was just an ordinary high schooler who wanted to go home and forget his weeding duties. But when his trowel strikes something solid in a forgotten corner of St. Regalia Academy's back garden, he unearths a golden cup—and a fate he never asked for. Now his right hand bears a strange glowing mark, his desk mysteriously tidies i