K

- パステルサイダー
- パステルサイダー - Single · 2025
- Raver (Slo Mo)
- Saviour / Raucous EP - EP · 2024
- Raucous
- Saviour / Raucous EP - EP · 2024
- BGB
- Saviour / Raucous EP - EP · 2024
- Saviour
- Saviour / Raucous EP - EP · 2024
- ROUSE (feat. 尾巴Viola 中文版) (喚醒)
- 大聲壹點_格萊美匯 Electronic Music VOL.2 In 2022 · 2022
- The Berry of Wisdom
- The Berry of Wisdom - Single · 2022
- Ride (feat. Kalium & "K")
- Sher Music 2 ft. The Crew · 2022
- Choose Your Steps (feat. Kalium & "K")
- Sher Music 2 ft. The Crew · 2022
- Set the Tone (feat. Kalium & "K")
- Sher Music 2 ft. The Crew · 2022

Nonisaku Hana No Youni (feat. K) [Last Songs Live Ver.] - Single

Nonisaku Hana No Youni (feat. K) [Last Songs Live Ver.] - Single

GACKT
Home Alone Tonight (feat. K) - Single

Home Alone Tonight (feat. K) - Single

Dêa†h
Sakura Falling (feat. K) [Last Songs 2024 Live Ver.] - EP

Sakura Falling (feat. K) [Last Songs 2024 Live Ver.] - EP

GACKT
OCEAN DRIVE (feat. K) - EP

OCEAN DRIVE (feat. K) - EP

Tatsuya Ishii