飛べない蝶のバレンタイン
Boxed Valentine's Day version of The Flightless Butterfly
The official website announced the release of the boxed version on September 18, 2026, and the downloadable version was released ahead of schedule on May 1 of the same year.
Download version of 'Flyless Butterfly' Valentine's Day
Released on May 1, 2026, available in standard and audio special editions, using playDRM online authentication. The system listed on the official website is Windows 11.
Snow butterflies
"Snow Butterfly" was used as the theme song for "Flyless Butterfly Valentine."
Megumi
Juri lives in a small town with only one academy. Omote-dori is a bustling street with concentrated shops; The population decline has left each class with only five to eight students.
Tsubamubi Hill
Located on a small hill south of Eumori, overlooking the town, it is one of Juri's favorite places to visit.
A prophecy nine days later
When Bi performed a divination for Juri to thank him for his help, she saw that he would die in nine days. Juri still wants to fulfill his wish to go to the city, and the story revolves around his resistance to this future.
Keimu Gakuen
The academy attended by Juri and Aoi. Hidaka serves as their homeroom teacher and guides Juri in preparing for the winter university entrance exam.
Scuderia N
Scuderia N credited as composer and arranger for 'Balentine of the Butterfly.'
Ichijo Yui
Yui Ichijo signed as planner and scriptwriter for 'Tobunai Butterfly no Valentine'.
ゆうひ
Yuuhi credited the Japanese voice for the work in 'Tokenai Chō no Valentine'.
CloverGAME
CloverGAME was the developer of 'Tobunai Chou no Valentine' (Unable to Fly Butterfly).
Mr. Hidaka (Valentine's Day of the Flyless Butterfly)
She is the homeroom teacher of Juri and Aoi at Emori Academy, teaches science subjects and also provides humanities guidance for university entrance exams. He is usually gentle and strict in class, providing guidance to Zhuli for further education; But Bi was especially tolerant of the sudden transfer.
Akari Misato (Valentine's Day of the Flightless Butterfly)
A third-year student living alone in an old apartment outside town plans to leave the closed town after passing the university entrance exam. He values logic and loves butterflies, and in winter he took in a lapis-colored butterfly whose wings couldn't spread. After Bi appears, she lives with him and predicts that he will die in nine days, prompting him to seek ways to change his future.
Ao (Valentine's Day of the Flightless Butterfly)
A girl who suddenly appeared in Juri's room, her dress adorned with lapis wings. She lacks memories, and the official website links her to a butterfly taken in by Juri. She is curious, straightforward, and acts tough, showing affection for Juri, who saved her; The foreseeable absolute future gives this shared life a limit.
Valentine's Day for the flightless butterfly
"Can't Fly Butterfly's Valentine" is a romance adventure produced by CloverGAME. Preparing to leave home for further studies, Akari Misato rescues a flying-unable butterfly, then meets a girl who calls herself Aoi and is told she will die in nine days.
Valentine's Day audio bonus for the flightless butterfly
The audio bonus edition includes Ao's two-part binaural audio dramas: 'Aoi's Ear Healing Therapy' and 'How About Sweet~i Chocolate?' and the complete vocals and accompaniment of "Snow Butterfly." Aoi Yushimashima Hakase appeared.