List of (Otaku) Days

Here are a bunch of days in Japan:

• 1/25 Pancake day (ホットケーキの日)
• 2/2 Twintails day (ツインテールの日) 2+2=twintails idk
• 2/8 Thigh high day (ニーハイの日) 2+8 sounds like "knee high"
• 2/19 Chocomint day (チョコミントの日) Aoi-chan's favourite day!
• 3/9 Miku day (ミクの日) 3+9 sounds like "Miku" or also "thank you"
• 5/7 Una day (ウナの日) 5+7 kind of sounds like Una
• 5/10 Maid day (メイドの日) May/mei + 10/do
• 6/6 Super Tokyo6 day (超TOKYO6の日) celebration of Rikka/Karin/Chifuyu
• 8/2 Bunny day (バニーの日) 8+2 sounds like bunny
• 8/21 Bunny day 2 (バニーの日) 8+2+1 sounds more like bunny?
• 9/6 Imouto day (妹の日) little sister day
• 10/1 Glasses day (メガネの日) the date 10-01 looks like glasses
• 10/4 Angel day (天使の日) 10/Ten + 4/shi
• 10/10 Teto day (テトの日) 10+10 sounds like Teto
• 11/11 Pocky day (ポッキーの日) the numbers look like pockys idk
• 11/25 OL day (OLの日) office lady day
• 11/28 Good thigh high day (いいニーハイの日) more popular than the February one
• 12/6 Ane day (姉の日) big sister day

There are a bunch of other days I need to remember or be reminded of, plz help me out lol