Ore no Otouto ga Konna ni

Takayoshi, the eldest of three brothers, has become skilled at housekeeping while caring for his younger siblings in place of often-absent parents. When the neighboring Nakadachi family must go overseas for work for a year, Takayoshi takes on the additional responsibility of caring for their siblings as well. As relationships deepen under one roof, romantic and sexual tensions emerge among the group. The story unfolds through multiple branching paths, each revealing different character dynamics and outcomes.