This is a commemorative project for the 20th anniversary of the series.

The two volumes contain one long case, "Murder Committed by Inspector Kenmochi", as well as two short stories in the second volume. The first one-shot, "Evil Spirit at the Diving Pool / Diving Pool's Evil...

Junpei Kujirai has entered junior high school. Junpei wants to become friends with Kaoru Gero, who loves frogs, but Junpei hates frogs!! As he struggles to get closer to Gero-san, he also meets seniors and...

Kugami Sugara just wants to lead a peaceful school life. But being chosen by the beautiful and talented Shirasagi Yui to be her pseudo 'sister', her life is anything but peaceful. And to make things even...

Original Webtoon

Hanashi Kirisaki was raised to be an assassin by an assassination organization. One day, on an undertaking, she attempted to kill a female manga artist. As usual, she was just trying to get the job done in a...

A wonderful tale of a boy falling in love with his tapeworm.

From MangaHelpers: From the perspective of an alien planet with super-advanced technology and tiny (1/60th the size of a human) inhabitants, planet Earth was the perfect location to banish their worst...

Yuuta Sato accidentally discovers that childhood friend Rinko Uenohara contracted a very rare illness called the "Kissing Disease". The disease forces the person to kiss someone of the opposite sex at regular...

A fat boy with bullying trauma lost weight before entering high school but while he got the hot look now he's still struggling with his timid personality.

Ousuke is some random geek who seems to have terrible luck. He wishes for nothing more but to get rid of his terrible luck & to be able to have a normal, peaceful school life, and so he prays for that wish at a...

Kotoyorozu Kotoha, a boy with an underground past as a former mafia underling, had given up on youth. However, his life changes completely after meeting certain girls. With massive guns, they fight against...

title "I really liked that voice—" On the day of the school entrance ceremony, Teppei Kodaira got absolutely charmed by the voice of Tsugumi Kuritani, who delivered a speech as the representative of the...

Komori-san has a complex about her soft voice, compared to the loud and brash Oobayashi-kun. Their vocal volume may be opposite, but their feelings for each other are mutual. Will they ever be able to properly...

The book, consisting of 191 pages, contains two early one-shot of 130 pages, full color pages from the main series and additional materials.

"Koganeiro" is about a group of high schoolers in their second year who are confronted with the possibly life-altering decision of what to do after high school.

Boys who can't love and girls who don't want to. What will happen when two people who are like this meet? If two people like this do find love, how will the world change? This manga is based on a adult erogame....

Tetsuro Tanaka is a month late starting high school due to an accident. As he's finally able to go, he's almost hit by a truck, but is saved by a mysterious girl who wears the same pendant as the one that his...