Rinko, a quiet office worker and secret otaku, just wants to enjoy her anime in peace. But when a neighbor keeps banging on the wall, she asks her other neighbor, Satsuki, for help. Their attempt to resolve the issue goes wrong, leaving a hole in the wall that reveals…Usaharu-sensei, the creator of Rinko’s favorite manga?! Now with nowhere to hide, their lives begin to overlap in surprising ways!

As high school reaches its midpoint, Koichi Asakura—who dreams of studying design at art school—has his plans shaken by explosive graffiti on a museum wall. The artist is Eren Yamagishi, a left-handed girl who buried her talent after a past incident. Drawn together by art, Koichi pursues design as Eren returns to painting, but fear, ambition, and old scars threaten their paths.

Maki Maehara, the class outcast, finally makes his first friend: Umi Asanagi, the second-prettiest girl in class and the center of everyone’s attention. He’s convinced she’s out of his league, but as their unlikely friendship grows, Maki starts to wonder…could there be more than just friendship between them?

Nao is a replica created to be Sunao Aikawa’s perfect double, stepping in whenever Sunao skips school. She studies, plays sports, and lives each day for the original—until one day, Nao falls in love. Suddenly, her quiet, borrowed life blooms with secret dates and shy promises. But the more she cherishes them, the more she must hide from Sunao, who’s starting to notice the changes in her replica.

For centuries, the deadly arts have been perfected by Masters, and Five Great Families hold the greatest power and influence. Hikaru Gero, an heir to the Gero family, lives in the underworld as an elite assassin. When his sister is pressured to produce an heir, Hikaru asks Mei Kinosaki, a brilliant marriage swindler, to find him a bride. The most challenging mission of his life begins!