Nagi transferred to a boarding school so that he would be able to look for his brother. They had been separated when they were still kids. There, he got to know a popular guy named Kou. Nagi did not really like the presumptuous Kou at first, but later on he found out that in the underground room where Kou and his buddies usually met, clues as to his brother’s whereabouts could be found. On top of that, when Nagi’s longing for his brother was getting stronger and stronger, Kou suddenly said the exact same things that Nagi’s brother had said…
(Source: BangAQUA)

A collection of seven short stories, three of which were specially drawn for the tankoubon release:

? Mashoujo (魔少女)
A bittersweet story about a sensible teacher and delinquent student and the difference between romantic feelings and love.

? Short Hair no Niau Hito (ショートヘアの似合うヒト)
The main character goes on a trip to Northern Europe with her friend and the senior she had a crush on in high school. Her love was never requited, but even now, she still has not forgotten her feelings for her...

? Sekai no Owari to Keiko to Fuuko (世界の終わりとケイコとフーコ)
A story of jealousy and the desire to monopolise.

? Numa, Kurayama, Yoru no Mori (沼、暗闇、夜の森)
Kiko can see ghosts, and much prefers communicating with them than with real people, but has a crush on a living girl, Isotani.

? Suwako-san to Date (スワコさんとデート) - bonus
A side story linked to the main couple from Suwako-san to Uchuu Ryouko, a one-shot recorded in Sakamoto Mano's previous Yuri Hime collection, Pai o Agemasho, Anata ni Pai o ne .

? Shitagi Doori (下着通り) - bonus
A light-hearted comedy about people not being able to pass unless dressed only in their underwear. But for some reason, the main couple have forgotten to put their bras on...?!

? Kenka (ケンカ) - bonus
A lesbian couple quarrel by attacking each other with phallic objects.

A former teen idol recounts her sorrowful coming of age with her girlfriend.

Collection of short stories:

? My Unique Day
Sorako joined a theater troupe entirely because of her admiration for Miki, the group's star. But is admiration really the only thing Sorako feels for her pretty brunette friend?

? Pie (w)o Agemasho Anata ni Pie (w)o ne

? Suwako-san to Uchuu Ryokou (A Space Voyage with Suwako-san)
A woman falls for a married woman.

? Mou Suki Nante Iwanai kara (I Won't Say I Love You Anymore)