Given the keywords “relative’s child” + “overnight stay” + VOSTFR, possible intended titles could be:

Roughly translated, the title means: "Because I am staying/lodging with my relative's child."

O Tomari Da Kara Vostfr Updated - Shinseki No Ko To

Given the keywords “relative’s child” + “overnight stay” + VOSTFR, possible intended titles could be:

Roughly translated, the title means: "Because I am staying/lodging with my relative's child." shinseki no ko to o tomari da kara vostfr