Sister⇔Sister

"Sister⇔Sister" is a manga serialized in Plum DX magazine, spanning volumes 6 through 8 and . The work presents its narrative through a focused publication run within the magazine's issues, offering readers a distinct story centered around the thematic implications of its title. The collected works also include an additional series titled "Family Plan," which was published across volumes 2 through 4. Together, these titles represent the serialized content featured in the respective volumes of the publication, delivering their stories to the magazine's audience through structured release schedules.