Seiichiro Yamashita — Actor (30)
Case File N° 221: Kabukicho (2019) [TV] IMDb TMDB
歌舞伎町シャーロック
other title: Case File nº221: Kabukicho / Kabukichou Sherlock
Shinjuku Ward, east side… The center of the street with the most chaos, there's Kabuki-chō, full of neon lights. When the light is stronger, the shadow is deeper. The story begins when certain bizarre murder happens one night! Suspense? Or Comedy? Drama that cannot be identified begins!
Play It Cool, Guys (2022) [TV] IMDb WikiData TMDB
クールドジ男子
other title: Cool Doji Danshi / クールドジ男子
Despite their distinctive personalities, Souma Shiki, Hayate Ichikura, Shun Futami, and Takayuki Mima all have one thing in common: though naturally clumsy, the four disguise their embarrassment from tiny slip-ups by maintaining a composed demeanor. However, it is actually the guys' airheaded natures that makes the girls' hearts throb. No matter what happens in their daily lives, the boys do their best not to lose their cool!
Nina the Starry Bride (2024) [TV] IMDb WikiData TMDB
星降る王国のニナ
other title: Nina du royaume aux étoiles / 星降る王国のニナ
Nina never imagined she would be at the center of a royal deception. She’s had a rough start in life as an orphan in the castle town of Fortna. But when Prince Azure notices that her deep blue eyes look the same as the late Princess Alisha’s, he ordains that she takes her place and marry the Prince of Galgada. Despite this uncertain fate, she finds joy in knowing someone finally needs her.
I Have a Crush at Work (2025) [TV] IMDb WikiData TMDB
この会社に好きな人がいます
actor: Seiichiro Yamashita / Yume Miyamoto
other title: Kono Kaisha ni Suki na Hito ga Imasu / この会社に好きな人がいます
Yui Mitsuya and Masugu Tateishi aren't just any coworkers—they totally have the hots for each other. His helpful yet humble attitude makes her giddy, and her cuteness leaves him grinning like a fool. Problem is, they're trying to keep their new relationship under wraps to avoid making things awkward at work. But seeing how they can't keep their hands off each other, they run the risk of spilling their little secret with each passing day at the office.
Shabake (2025) [TV] TMDB WikiData IMDb
しゃばけ
actor: Daiki Yamashita / Koji Okino
other title: しゃばけ
Ichitaro, the frail yet sharp-minded master of Nagasakiya, rarely leaves his estate—but he’s far from alone. Gifted with the ability to see spirits, he’s protected by ghostly companions like Hakutaku and Inugami. One night, he slips out and witnesses a brutal murder. Soon after, Edo is plagued by a series of eerie murders. As fear grips the city, Ichitaro and his spirits must uncover the culprit.
Isekai Office Worker: The Other World's Books Depend on the Bean Counter (2026) [TV] IMDb TMDB
異世界の沙汰は社畜次第
actor: Kent Ito / Tomoaki Maeno
other title: Isekai no Sata wa Shachiku Shidai / 異世界の沙汰は社畜次第
Seiichirou Kondou gets caught up in a summoning ritual and is transported to a parallel world called Romany Kingdom. Having worked day and night, he demands a job and joins the Royal Accounting Department. After narrowly surviving a tonic’s deadly side effects with the aid of magic, Seiichirou entrusts himself to Aresh, captain of the Third Royal Order, known as the Ice Prince.
Mistress Kanan Is Devilishly Easy (2026) [TV] TMDB IMDb WikiData
カナン様はあくまでチョロい
other title: Mistress Kanan is Devilishly Easy / kanan-sama wa akumade choroi
Kanan the “Gourmet Devil” has descended upon the human world with one goal: to gorge herself on youthful souls. Her first target is high schooler Youji Kyougi—except her plan backfires horribly! Instead of her meal, he’s now her…boyfriend?! Even though she’s lived for thousands of years, Kanan has never known love! Can a devil survive the dangers of dates, hand-holding, and her very first romance?
Akane-banashi (2026) [TV] TMDB IMDb WikiData
あかね噺
actor: Anna Nagase / Takuya Eguchi
other title: Akane-Banashi / あかね噺
Akane Osaki, captivated since childhood by the magical performances of her father, Shinta Arakawa, witnesses a shocking incident during his decisive performance for promotion to shin'uchi (master rank). Six years later, now a high school student, she sets her sights on becoming a shin'uchi herself—pushing forward in the highly competitive world of rakugo.