Series synopsis
Thundercloud Rainstorm, also known as 천둥구름 비바람 is a South Korean drama television series that premiered on wavve on November 28, 2025. It ended on December 19, 2025. It was created by Caesim. It stars Yoon Ji-sung, Jeong Ri-u, Jang Won-hyuk and Lee Dong-ju.
Bound by a debt, an illegitimate son moves in with his aloof cousin, unaware that their uneasy deal will spiral into a deep and dangerous obsession.
Premise
Bound by a debt, an illegitimate son moves in with his aloof cousin, unaware that their uneasy deal will spiral into a deep and dangerous obsession.
Cast and characters
Leading cast
- Yoon Ji-sung as Lee Il-jo
- Jeong Ri-u as Seo Jeong-han
- Jang Won-hyuk as Seung-jae
- Lee Dong-ju as Jeong-in
- Hwang Seong-yun as Su-hyo
Guest cast
- Park Si-woo as Seo Jeong-han [Young]
Episodes
This series spans 1 season with 8 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 8 | November 28, 2025 | December 19, 2025 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
Episode 1 Il-jo and Jung-han’s lives spiral out of control after a hospital bill and an impulsive kiss bind them together. Debt, dependence, and blurred boundaries pull them into a dangerous closeness neither is ready to face. |
November 28, 2025 |
| 2 |
Episode 2 Jung-han coldly reminds Il-jo that until the surgery debt is paid, everything about him belongs to him, forcing him to pay him back through housework. Yet beneath this control, their bond twists into a dangerous and forbidden intimacy. |
November 28, 2025 |
| 3 |
Episode 3 Jung-han can’t understand why his desire for Il-jo runs so deep—but when Il-jo finally gathers the courage to confess, Jung-han shuts him down. |
December 5, 2025 |
Production
Release
| Original network/platform | wavve |
|---|---|
| First aired | November 28, 2025 |
| Last aired | December 19, 2025 |
| Runtime | 35 minutes |
| Status | ended |