tcgrate
  1. tcgrate
  2. Games
  3. Weiß Schwarz
  4. Sets
  5. [OSHI NO KO]
  6. Underground Idol Debut? Ruby (SR)

Weiß Schwarz · [OSHI NO KO] · #OSK/S107-E039S SR · Super Rare

Underground Idol Debut? Ruby (SR)

Weiß Schwarz card price for Underground Idol Debut? Ruby (SR): $1.59 market, from $1.44 at the cheapest listing, Normal printing, updated Oct 18, 2026. Full price history since Sep 26, 2024 below.

Market price · Normal · Oct 18, 2026
$1.59
0.0% this week · +4.6% in 30 days
Buy on eBay →
1 day0.0%
7 days0.0%
30 days+4.6%
90 days+30.3%
1 year—
All time−67.6%

Sellers right now

$1.44lowest listing$5.50highest
Market price$1.59
Mid listing$3.69
30-day avg$1.55

Market price is what a near-mint copy actually sold for. The cheapest listing is what a seller asks today — on thin markets the two differ a lot.

Where to buy

TCGplayer$1.59

One year

$1.2252-week low$1.5952-week high
In the range100%
All-time low$1.22
All-time high$4.90
First priceSep 26, 2024
Normal · market price
$1.00$2.42$3.85$5.27
$1.59
Sep 2024Jun 2025Feb 2026Oct 2026
TCGplayer market price · via tcgcsvtcgrate.com

Price story

Underground Idol Debut? Ruby (SR) came out in September 2024; we leave the first weeks out of this story, because early prices are set before real supply exists. Listings currently start at $1.44; over the last 30 days the market price averaged $1.55.

Printings

PrintingMarketLowHigh7d
Normal$1.59$1.44$5.500.0%

The card in play

Level1
Cost0
Power4500
Color
Red
Card type
Character
Trait
Show Business
Soul
1
Trait 2
Idol
Ability

[AUTO] When this card attacks, if you have another "Show Business" character, this card gets +1500 power until end of turn.

[AUTO] Memory When this card attacks, if ""B-KOMACHI" Ai" is in your memory, this card gets +500 power until end of turn, and reveal the top card of your deck. If that card is "Mask of Revenge, Aqua" or level 2 or higher, put it into your stock. (Otherwise, return it to its original place. Climax are regarded as level 0)

Other printings of Underground Idol Debut? Ruby

1 more · $0.23 – $1.59
All printings
Underground Idol Debut? Ruby (OSK/S107-E039 R), [OSHI NO KO] — Weiß Schwarz card price 0.0% 7d Underground Idol Debut? Ruby [OSHI NO KO] · #OSK/S107-E039 R $0.23

Also in [OSHI NO KO]

most valuable
Full set
"B-KOMACHI" Ruby (SSP) (OSK/S107-E001SSP SSP), [OSHI NO KO] — Weiß Schwarz card price 0.0% 7d "B-KOMACHI" Ruby (SSP) [OSHI NO KO] · #OSK/S107-E001SSP SSP $280.95 Beyond the Darkness, Aqua (SP) (OSK/S107-E035SP SP), [OSHI NO KO] — Weiß Schwarz card price 0.0% 7d Beyond the Darkness, Aqua (SP) [OSHI NO KO] · #OSK/S107-E035SP SP $149.99 Moment She Fell in Love, Kana Arima (SP) (OSK/S107-E002SP SP), [OSHI NO KO] — Weiß Schwarz card price 0.0% 7d Moment She Fell in Love, Kana Arima (SP) [OSHI NO KO] · #OSK/S107-E002SP SP $147.49 Eyes That Naturally Draw You In, Ai (SP) (OSK/S107-E044SP SP), [OSHI NO KO] — Weiß Schwarz card price 0.0% 7d Eyes That Naturally Draw You In, Ai (SP) [OSHI NO KO] · #OSK/S107-E044SP SP $104.75 Perfect Trace, Akane Kurokawa (SP) (OSK/S107-E068SP SP), [OSHI NO KO] — Weiß Schwarz card price 0.0% 7d Perfect Trace, Akane Kurokawa (SP) [OSHI NO KO] · #OSK/S107-E068SP SP $73.74