Beryl Gardernant is a humble swordmaster who runs a dojo in the Kingdom of Reveris. He has accepted the limits of his power and is living a leisurely life in the countryside. However, his life changes completely when Alexia, one of his former students, suddenly visits him and says that she has recommended Beryl as a special trainer in the country's Knight Order

while he was in the practice room thinking about what he could do in the future, someone walked in that person was one of his former students

her name was Citrus, Allucia. she smiled and said

"Nice to see you again... Sensei"