목차

1권 prologue. cubic equation 1. girlfriend side. classmate 2. lunch time side. junior 3. dinner time side. sister 4. bath time side. boy 5. sweet days 6. tempest 7. bitter end epilogue. unsound relationship 작가후기 2권 prologue. quartic equation 1. monday side. heroines 2. date date date side. heroines #2 3. cohabitation side. mate 4. give and take side. mate #2 5. solitary queen epilogue. close relationship 작가후기 3권 prologue. quintic equation 1. exam results side. classmate 2. journey side. owner 3. fireworks side. classmate #2 4. island side. classmate #3 5. starry night epilogue. return epilogue. dishonest relationship 작가 후기 4권 prologue. husband and wife 1. doubt side. junior 2. fake wedding side. mate 3. battle on the bed side. junior #2 4. confession side. junior #3 5. moonlit night side. junior #4 epilogue. continuous relationship 작가 후기 5권 prologue. first date 1. second semester side. friend 2. preparation side. junior 3. athletic meet side. sister 4. closet space side. boy 5. his phrase side. mate 6. discord side. classmate 7. dead heat epilogue. renewed relationship 작가후기 6권 prologue. comeback 1. couple 2. outcast 3. younger sister 4. desperation 5. sense of loss 6. before departure epilogue. accelerating relationship 작가 후기 7권 prologue. depression prologue. love tetragon 1. school time side. classmate 2. cafe time side. junior 3. home time side. sister 4. mother 5. man to man 6. appearance epilogue. fateful relationship 작가 후기 8