On November 28, 2025, Koutaro Nishiyama is currently ranked #27,764 among the most popular actors online with 32 daily Wikipedia pageviews. Recent work in My Happy Marriage may be contributing to his current popularity. The most popular work Koutaro Nishiyama has appeared in is Demon Slayer: Kimetsu no Yaiba (TV).
Koutaro Nishiyama Popularity History
Wikipedia popularity rank over the last 30 days
| Date | Rank | Pageviews |
|---|---|---|
| Nov 27, 2025 | #27,764 | 32 |
| Nov 26, 2025 | #26,682 | 40 |
| Nov 25, 2025 | #26,620 | 41 |
| Nov 24, 2025 | #27,623 | 36 |
| Nov 23, 2025 | #27,753 | 38 |
| Nov 22, 2025 | #27,799 | 35 |
| Nov 21, 2025 | #24,438 | 55 |
Top TV Shows - Koutaro Nishiyama
Ranked by engagement score
- 1

Demon Slayer: Kimetsu no Yaiba
Popularity:#199TV Show(voice) • 1 epDemon Slayer: Kimetsu no Yaiba is a popular Japanese anime series based on the manga of the same name written by Koyoharu Gotouge. The story follows Tanjiro Kamado, a young boy who becomes a demon slayer after his family is brutally attacked and his sister, Nezuko, is turned into a demon. Determined to find a cure for his sister and avenge his family, Tanjiro joins the Demon Slayer Corps and embarks on a perilous journey to defeat powerful demons and protect humanity from their threat. The series is known for its stunning animation, intense action sequences, and compelling characters.3.2Moderate - 2

To Your Eternity
Popularity:#1,522TV ShowRean's Fiancé (voice) • 2 epTo Your Eternity is a captivating and emotionally profound anime series that follows the journey of an mysterious orb, referred to as 'it', which has the ability to transform into various forms and resurrect after death. Initially taking the form of a rock, a wolf, and then a boy named Fushi, 'it' embarks on a voyage of discovery, encountering acts of compassion that shape its understanding of humanity. However, this transformative journey is not without its challenges, as Fushi faces a formidable adversary known as Nokker, while also experiencing heart-wrenching separations from those dear to it.0.2Low - 3

My Happy Marriage
Popularity:#2,136TV ShowKoji Tatsuishi (voice) • 12 epMy Happy Marriage is a Japanese television series adapted from a light novel that portrays the life of Miyo Saimori, a young woman subjected to familial abuse who is arranged to marry Kiyoka Kudou, a powerful and influential man. As the narrative unfolds, Miyo's journey of self-discovery and the cultivation of her latent abilities take center stage in a storyline melding emotional growth and interpersonal dynamics.0.1Low







