Mikoto Ochiai is ready to jump off the rooftop of her high school's building after she got rejected by the boy she loves. However, homeroom teacher Jin Haiba suddenly appears on the rooftop for a smoke, talked to her, and saved her from falling down. He even asked her to go out with him rather than die. A black comedy manga about love, life, and death.

Mikoto Ochiai is ready to jump off the rooftop of her high school's building after she got rejected by the boy she loves. However, homeroom teacher Jin Haiba suddenly appears on the rooftop for a smoke, talked to her and saved her from falling down. He even asked her to go out with him rather than die.

A collection of several oneshots.

A collection of 30 short stories. 1. Rui wa Koi wo Yobu (ONDA Yuji) 2. Toaru Fukigen na Koi no Katachi (MIZUKI Sora) 3. Mitsuami to Kare (AOSAKI Miku) 4. Konchiwa Hamuko (Akari (あかり)) 5. Andou-kun to Naishobanashi (AZUMI Yuuhi) 6. Namaiki Kareshi to Natsuyasumi (AYANA Hana) 7. Nemureru Kimi no Kiss (ARATO Rui) 8. Yosomi Nanka Yurusanai (IWAI Aki) 9. Kare ga Mask wo Hazushitara (OOKAWA Nagi) 10. Kimi ga Hikkoshisuru Nante! (OOTOMO Nana) 11. Amattarui Kurai no Gohoubi wo (OKANO Seki) 12. Yumemiru Sleeping Kiss (KIRIHANA Jako) 13. Toukoukei Joshi! Tezuka-san!! (KURONO Kanna) 14. Koi no Yoyaku wo Sasete ne (KOUSAME Gumi) 15. Kohaku no Tsudzuki wo Mou Ichido. (SAKURA Ria) 16. Sensei no Itazura (SUZUMINE Aoi) 17. Kimi no Koe de Kikasete (SETO Satomi) 18. Mitsumete Honey (TSUKISHIMA Miho) 19. Koisuru Shuuchaku Eki (NAGAOKA Miu) 20. Aoi-kun wa Yasashii. (Naruki) 21. Botan no Hikari ~Yume Yori Suteki na~ (NISHINO Hina) 22. Kakugoshite ne Senpai (NOGUCHI Hikaru) 23. Daisuki no Charge (HARUTO Aya) 24. Obento Tsuiteta (HARUFUJI Nakaba) 25. Koharu Biyori (HIGUCHI Nichiho) 26. Kitto Kimi ni Koi wo Suru (HINO Kio) 27. Tanjoubi Nanoni (FURUSATO Kou) 28. Kanojo no Suki na Hito (YUI Fuuko) 29. Shiotaiou Café (Ranpu) 30. Kishi-kun wa Watashi ga Kirai (Rukana)

The year is 3015, the ocean covers 90% of the planet, and it is normal for humans to fly in the sky. People who cannot fly are called "Drops" (the old generation), and Tsubasa is one of them. She lives in a world where there are almost no stairs or ladders, even though the buildings and space between floors is getting higher and farther.

Second-year student Anna works on the Culture Festival's Executive Committee together with the school's famous Chiaki-senpai. However, everyday, she's forcibly swung about by a self-confident, flashy, lazy, and ultra-insincere Chiaki-senpai–!?

Good-natured Chihiro Hiyoshi takes being the class rep seriously, but her partner, Haruka Kisaragi does not. He's got too many rumors swirling around him, but when a chance meeting brings them into each other's lives for just a moment, they form an unsteady bond. But bad boy Haruka may be too much for a good girl like Chihiro to handle… but something in her may have just awoken a hidden softness in him, too.