Yani is a catgirl with a seriously bad smoking habit. She smokes so much that her apartment smells like ash and is littered with cigarette butts—and plenty of other trash! Every time she tries to quit, she becomes weak to the cravings and gives in almost instantly. Will she ever get her life together, or is she doomed to live as a chainsmoking slob forever?

Every morning, Sakuradaimon-kun enforces the rules at the school gate, stopping Poem-chan for her too-short skirt. But when they’re thrown together in remedial class, she discovers his secret—the serious, uptight Sakuradaimon-kun is hopeless at studying! As they clash, bicker, and stumble through school life together, the two opposites slowly draw closer and form an unexpected friendship.

College student Nao Kanzaki suddenly receives a strange letter and a suitcase containing 100 million yen. She's been chosen to participate in the LIAR GAME — a high-stakes psychological battle where lies, deception, and betrayal reign supreme.

The omnibus manga centers on college student Tsuyoshi, who loves drinking strong canned chu-hai, and his encounters with various married women.