Boya Bosworth, the heroine's brother who time travels and is the eldest son of the world-class wealthy Bosworth family, has a kind and lovely sister and four shining brother-in-law candidates. Under the guidance of the great father, the family lives happily as a wealthy family.
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In fact, it is a story about a miserable gay who travels through time in a harem girl manga filled with beautiful men. Under the light of his younger sister's powerful heroine, he can only hook up and play roles, but is rejected, and finally gets raped by his overlord brother-in-law.