[prologue] I lived with my three younger sisters whose blood was not mixed with my father's remarriage! Hamari, Cocoa and Anna bother me at school and at home. Then one day... Unexpected pain, I go to the hospital and hear desperate news. "Brother ... are you okay ...?" My sisters who are bothering me suddenly began to be friendly ..? What is the true truth of the three sisters? Love comedy new work Meet the despair love comedy!