Vertical Drama 'My Introverted Stepbrother!?' Streams All 30 Episodes on POPCORN
The series leans on the vertical smartphone frame as a storytelling device, with the 1 to 3 minute episodes showing distance between the two leads through gaze and gesture rather than dialogue.
Reporting from 1 source: ASCII.jp.
Gokko Club began streaming all 30 episodes of the vertical short drama 'My Introverted Stepbrother!?' on the app POPCORN from Friday, August 21, 2026. The romance drama stars Keijiro Yagami as outgoing Hinata Iijima and Yudai Shimamura as introvert Mizuki Kano, two high school seniors who become stepbrothers through their parents' remarriage and clash before growing closer.
All 30 episodes of 'My Introverted Stepbrother!?' are now streaming on the POPCORN app, with each 1 to 3 minute episode built around the vertical frame of a smartphone screen.
The show pairs Keijiro Yagami and Yudai Shimamura as stepbrothers who act like strangers in the classroom and share a living room at home. The vertical composition is narrow enough for one person, so the moment both appear in the same shot, the distance between them becomes visible.
Their shift from conflict to mutual attention is carried by gaze and gestures, with the story also touching on Mizuki's deceased younger brother and Hinata's abandoned track career. Ibuki Kimura plays Yuichiro, Hinata's best friend who notices the change between the two first.
Synthesized by Yomimono from the 1 cited source below, including Japanese-language reporting where cited, then editorially reviewed before publishing.