A day to celebrate [[Komeiji Koishi]] from [[Touhou]]. The 14th of May is considered Koishi day because the numbers 5-14 can be read as <i>go</i>-<i>i</i>-<i>shi</i> [五一四] (<i>ko</i>-<i>i</i>-<i>shi</i>).

There is also an additional day dedicated to Koishi set to the 14th of June. The numbers 6-1-4 can be read as <i>mu</i>-<i>i</i>-<i>shi</i> which are the prefix for <i>muishiki</i> meaning "unconscious" or "unconsciousness".

h4. See also

* [[Cirno Day]] (9th September)
* [[Kaguya Day]] (8th September)
* [[Nazrin Day]] (20th July)
* [[Satori Day]] (10th March)
* [[Sekibanki Day]] (6th June)
* [[SatoKoi day]]
5月14日はこいしの日 6月14日は無意識の日 こいしの日 5月14日はこいしちゃんの日 5月14日は古明地こいしの日