M - mistery.
The mother whose name is unknown and whose whereabouts are unknown.
A friend who is as beautiful as a fairy and has a high IQ.
A steady and refined lover with impure motives.
Father, Grandfather, Stepmother and her daughters and sons.
Sweeping in with overwhelming conspiracy.
The overlapping mysteries behind their life experiences were finally revealed.
The sound of bells mixed with joys and sorrows, and she, who is so clever and beautiful, uses her wedding as the ending.