The story involves a character named Yū being rescued by a cargo ship captain who knew his father, after a struggle at sea with others. As it was one of the earliest serializations in Weekly Shounen Magazine, its remains uncollected and never had a volume release.

Kou Nishito, a graduate student suffering from insomnia, and Yoiko Ichijo, who has been unable to sleep due to loneliness since becoming independent, are discovered to be "compatible" individuals with a highly compatible sleep gene, "Nemunoki." They begin a cohabitation experiment to achieve stable sleep. Though hesitant, they fall asleep in the same bed, and drift into a deep sleep they haven't experienced in years... The feeling of having someone beside you. The curtain rises on a strange and heartwarming story of two awkward people. (Source: Kadokawa, translated)

Collections of one-shots that won the monthly Hop Step Award from 1987 to 1996.

Kouya Torame is a high school student attending school in Asakusa, Tokyo. One day, a transfer student named Kiyoko Shizuishi arrives in his class. She is a beautiful girl making waves with rumors that she successfully turned around the management of a long-established traditional inn in Kyoto. The whole class is buzzing with excitement, but Kouya can’t shake a nagging feeling. Have I met her somewhere before...? As it turns out, she is a girl he spent time with by chance when they were young, and to top it off, she will now be living under the exact same roof as him! Kiyoko has grown into a quintessential "Would you care for some bubuzuke?" type of Kyoto beauty—perfectly polite on the surface but delightfully sharp underneath. Sparks fly as her two-faced nature clashes with Kouya's straightforward Tokyoite spirit. Get ready for a spirited and snarky downtown romantic comedy!