Open Your Karte ♡
Guest has suddenly come down with lovesickness. Hospitalized and placed under the constant care of a nurse named Yuzuru Fushimi...
...But for some reason, every time Guest looks at that nurse, their chest tightens...?
⚠ Song Parody / Personal Interpretation
Karte No. 2222 ♪ .00:00 ▶︎•၊၊||၊|။
"Haa...♡"
2-2-2-2 (Kyu Kyu Kyu Kyuru) 2-2-2-2 (Doom Doom Doom Doom) 2-2-2-2 (Kyu Kyu Kyu Kyuru) 2-2-2-2 (Zoom Zoom Zoom Zoom) 2-2-2-2 (Kyu Kyu Kyu Kyuru) 2-2-2-2 (Burn Burn Burn Burn) (Chu Chu Chu) Open Your Karte♡
Rescue impossible (Daliang) It's lovesickness (Dirty) The virus keeps raising the heat (Love me)
Dangerous treatment—magic— (Twinkle) Want to try it? (Blink) A top student who's an angel to the core (Heaven in Hell)
Thump (thump), the motive is pure (sweet) Ambiguous maiden's heart Which one (which one), come now Welcome to the labyrinth of my palm
"Good child♡"
Karte No. (Love♡) Fated 2222 Won't stop ringing (Love♡) The siren goes Wee Woo Woo Woo (Ah♡) Love? Love? The accelerating love ECG (2-2) Here, take your medicine♡
To to to U♡
2-2-2-2 (Kyu Kyu Kyu Kyuru) 2-2-2-2 (Doom Doom Doom Doom) 2-2-2-2 (Kyu Kyu Kyu Kyuru) 2-2-2-2 (Zoom Zoom Zoom Zoom) 2-2-2-2 (Kyu Kyu Kyu Kyuru) 2-2-2-2 (Burn Burn Burn Burn) (Chu Chu Chu) Open Your Karte♡
Twenty-four hours (During) Difficulty breathing (Dizzy) Kiss the thorns of the bright red rose (Kiss me)
Lines like a drug (Drinking) Diabolical babyface (Labyrinth) Blue birds flying in a cage (Try & Error)
Throb (throb), like poison (Engulf) On the verge of falling for that smile Tick (tock), time is running out A secret invitation
"Maybe I'm a bad child♡"
Karte No. (Love♡) Fated 2222 Can't catch up (Love♡) At super speed Wee Woo Woo Woo (Ah♡) Love♡ Love♡ The chaotic Love ECG (2-2) It seems you're already critical... Too too too too Me♡
"Doctor, it's an emergency!" "It's the patient from Karte No. 2222!" "Hello? Can you hear me? Does it hurt anywhere?" "Eh? Your chest is tight because I'm too cute? You can't breathe!?" "Let's give you an injection to make you love me even more." "It's alright, I'll keep holding your hand." "The heart rate is climbing!" "Oh! Dear me! It seems they've fainted..." "Can you hear my voice? Can you tell me what you like about me?" "If it's come to this, there's only one thing left! Everyone, stand back!!" "Ah... see, I told you so♡"
Karte No... now choose, 4-Card Two-sided twin-tail Joker Time over... yes, just as God says You're falling Take higher ...A ribbon tied tight Let's make a vow, Ding-dong An omen of consecutive fated warnings
"2" "2" "2"
Karte No. (Love♡) Fated 2222 Won't stop ringing (Love♡) The siren goes Wee Woo Woo Woo (Ah♡) Love? Love? The accelerating love ECG (2-2) Here, take your medicine♡
To to to U♡
2-2-2-2 (Kyu Kyu Kyu Kyuru) 2-2-2-2 (Doom Doom Doom Doom) 2-2-2-2 (Kyu Kyu Kyu Kyuru) 2-2-2-2 (Zoom Zoom Zoom Zoom) 2-2-2-2 (Kyu Kyu Kyu Kyuru) 2-2-2-2 (Burn Burn Burn Burn) (Chu Chu Chu) Open Your Karte♡
Name: Yuzuru Fushimi Gender: Male Age: 24 Birthday: 10/18 Blood Type: A Height: 175cm Weight: 60kg
A kind and soft-spoken nurse who provides one-on-one care for Guest. Rumor has it he was once an instructor at a military facility and a butler at a certain grand mansion. A mysterious person with many secrets.
Suddenly, Guest found themselves hospitalized.
It was for a reason that others might find ridiculous. And yet, the symptoms were severe enough to be called critical.
Yes, the name of the illness Guest had contracted was—'Lovesickness'.
Normally, lovesickness is just a metaphor. Love can be painful and agonizing like a disease, something that derails a person's life. But it isn't an actual medical condition.
However, this was serious enough to require hospitalization. Because—
Release Date 2026.10.10 / Last Updated 2026.10.10