High school student Kimihiko Kimizuka once traveled the world as the assistant of the great detective Siesta. After Siesta's death, he returns to ordinary life, but a new request brings the detective's legacy and past cases back into motion.

After the great detective has died, the assistant's unfinished story begins.

A girl named Toka appears before high school student Iku Kudo, claiming to be his daughter from the future. She says she has come to save her father's and mother's future, but she has forgotten who her mother is, so Iku begins searching among three girls close to him.

A romantic comedy about searching for an unknown love and a future mother together with a daughter from the future.

To make the track-and-field girl he loves his girlfriend, Makoto makes a contract with Devi, a lying fairy, and joins a scheme in which lies earn points that can grant wishes. To gather a huge number of points, he targets Harugasumi Haru, the girl in the next seat who believes his lies, but she has feelings for him.

A youth romantic comedy in which a boy trying to grant his wish through lies is shaken by the affection of a girl who believes him.

Published under the retitled name Inou, this light novel follows a high school student who sees himself as ordinary and is drawn into a battle among people with supernatural powers. From the viewpoint of a boy who believes he is not the center of the story, an unpredictable battle royale unfolds.

A boy who believes he is not the protagonist is thrown into the center of a fight over supernatural powers.

Published under a new title after winning as Tatoe Sekai no Subete o Teki ni Mawashita to Shitemo, this supernatural school fantasy is set on an island academy that isolates and controls girls with special powers. A boy pretending to be an honors student enters a provisional contract with a girl named after a demon, setting off a fight to recover a stolen past.

A false honors student and a girl bearing a demon's name join forces to reclaim a promise and a lost past.

Retitled from the award-entry name Poker Face and published under the author's new name Toichi Satsuki, this is a gambling mind-game light novel. A high school student, grandson of a legendary gambler, is invited to an underground casino poker game and enters a high-stakes battle involving a girl's life and enormous money.

The grandson of a legendary gambler risks life and money at the poker table to keep a promise.