A previously adorable younger brother transformed into a ferocious being.
"Brother, do you have something to tell me?"
"Ha! Look who's talking!"
Yusuke and Tokio reside in their parents' home while they're away, both siblings. During a chance encounter in the city, their hidden truth comes to light: Yusuke is homosexual, and Tokio is bisexual. Despite the unsettling revelation, Yusuke strives to maintain his role as the responsible older brother, while Tokio's perception of him begins to shift.
The showdown for affection between a stoic brother and another who fancies rebellious types commences!