It has been a year since the human race was destroyed by an unknown virus that suddenly spread, and three high school girls, Harumi Koharu, Tsukishima Natsuki, and Akechi Chiaki, have been spending their time at school playing games that they could not do before they were born. But then, Koharu finds a butterfly with a plant growing out of a flower bud, and even dogs, cats, and other creatures are growing plants... What on earth has happened to the Earth after the spread of the virus? (Source: Takeshobo, translated)
A happy-ending anthology with five stories on the theme of interspecies marriage, including three winning works from the Isekai Romance Short Story Contest co-sponsored by Takeshobo and Novelba! Cover art: KAMADA Misato **Contents:** 1. "Ookami Hakushaku no Kyuukon" (狼伯爵の求婚). Art by SAKAZUKI Uta, Story by TACHIBANA Rikka (II). [Original Web Novel](https://ncode.syosetu.com/n5267fd/) 2. "Suterare Majo wa Ao no Te Nori Ryuu ni Aisareru" (捨てられ魔女は蒼の手乗り竜に愛される). Art by MURASAKI Nono, Story by TATSUTA Taruto. [Original Web Novel](https://kakuyomu.jp/works/16818093092023513004) 3. "Keiyaku Kon no Hazu desu ga: Vampire Hakushaku to Byoujaku Reijou no Konin Jijou" (契約婚のはずですが―ヴァンパイア伯爵と病弱令嬢の婚姻事情―). Art by Tomoe, Story by KONNO Aoi. 4. "Seijo wa Maou ni Totsugimasu!" (聖女は魔王に嫁ぎます!). Art by NATSUKI Tsuna, Story by SAYAMA Hibiki. [Original Web Novel](https://ncode.syosetu.com/n1594gh/) 5. "Sono Emi wo Mukenaida" (その笑みを向けないで). Art by AMEIRO Miso, Story by Shiba (IV). [Original Web Novel](https://ncode.syosetu.com/n7811hi/)
Vol. 1: Kirei (2016) Vol. 2: Matsuri (2017)
Pairing: Kaworu x Shinji From [gayangelwontquit](https://www.mangaupdates.com/groups.html?id=11859): Shinji struggles with his roommate-turned-cat boyfriend (which they blame on Global Warming).