S1E4 — Jitaku Keibiin (2019) — Episode 4

In this final episode, the tension that has been building throughout the household reaches its climax as Tsunetaka's relentless campaign to drive his new family away comes to a head. With Yuki remaining his primary focus, the self-styled home security officer's schemes grow bolder in the concluding chapter of this eroge adaptation. The dynamics between the non-biological siblings and the harem elements intensify as the story wraps up.