A spin-off of Mitsudomoe, this series is comprised of single-page chapters that could not be published along with the original manga.
From MangaHelpers: Haizawa is the cool kid in school. He's naturally good looking and has quick thinking. It all starts when he accidentally finds a spot on campus that lets you see up girls' skirts. First, he has a sexual encounter with the school’s most popular girl, Kuroha Ageha, after learning that her big crush is him. Next, even the young and beautiful science teacher, Ms. Shiromine, falls victim to Haizawa’s sexual aura that's starting to grow stronger.
Consists of a collection of oneshots: 1) A Desire Boy (Yokubou Shounen) Shinobu Uesugi lives with his mother and two sisters, lacking any kind of male role model. At the age of seven, his family moves into an apartment complex and becomes neighbors with Saguru Matsunae. Saguru soon becomes Shinobu's 'onii-san' that he goes to for advice throughout the years. Shinobu, now seventeen, is clueless about anything involving relationships or his own body and Saguru offers to teach him... 2) Sawaki's Case Hideya Katsumata and Makoto Sawaki have been friends since entering high school, but Makoto has been hiding his true feelings towards his best friend for all that time. He believes his feelings will forever go unrequited as there's no way Hideya will ever fall in love with another man. When Makoto stumbles across Shinobu and Saguru (from the previous story) kissing, he starts to believe otherwise. 3) Love Snatcher After getting fired from his job half Japanese Tanaka Tatsuaki drunkenly prays to the moon to take him away, and it does! He's been summoned to a land of shape-shifters to be the bride of Tigure, lord of the tigers. And he's expected to give birth? 4) Love and Reticence (Ai to Chinmoku) Nearly silent ghost writer Kisa has fallen in love with a small out of the way diner and the delicious food there. But handsome owner-san wants more from Kisa than his patronage. 5) Drowning in Love (Oboreru Kankei) Yoshino Keiichi's life has gotten a lot more interesting since single father Kayumi Takamasa and his two young children moved in next door. Keiichi's become a mother to the youngsters, but his relationship with their father is much more complex...
Oneshot collection by Nanase Miori and Kokirin published by Yuri Hime in 2017.
Is their meeting a coincidence? Is their love inevitable? Sakura Koujirou is a demon prince who descends to the human world in order to take human souls. But after a strange turn of events, he somehow ends up living with a human girl, Hana... This is a story of young love, sweet and touching.
Rikushou Mikoto is a transfer student with a habit of talking to trees and a knack for handling horses. When a person starts making trouble, Mikoto is determined to catch him. As she tries, she not only stumbles on the school secret, but becomes a part of it!
Keitarou Itsuki is a high school student unhappy about the menacing look of his eyes. Keitarou tries to confess to the girl he likes, Aoi Tokujira, but she rejects him flat out. Thinking that his eyes were the reason why she rejected him, he confides in his older sister about it at her salon, who helps by giving him a complete makeover...as a pretty girl! Forced to head home like this, he runs into Aoi in town, but she doesn't recognize him and thinks he's a somewhat manly girl. Before he can leave, Aoi asks him to help her overcome a problem she's had for many years: an intense fear of men.
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In 1999, after the discovery of a hypergate on the Moon's surface, occurred on 1972, a war begins between the humans who live on the Earth and those who inmigrated to Mars, resulting on the devastation of Earth's natural satellite. Several years later the humanity still lives the aftermath of that conflict.
Saku had a normal life, living with his cousin Kuran and being tormented daily by his childhood friend, Karin. That is, until the day a girl named Kiiro showed up out of nowhere claiming to be Karin's and Saku's daughter from the future. Convinced she will disappear from existence unless Saku and Karin get married, she makes life a lot more complicated for everyone. Things only get crazier when Hiiro, a girl claiming to be Kuran's and Saku's daughter from a different timeline in the future, appears with the goal of getting Saku together with his cousin Kuran. Saku is suddenly faced with a dilemma: whom does he choose as his wife, and which daughter does he save from disappearing into nothing?