MIDV-871 After his wife dies, a man makes his stepdaughter Rikka Ono his new wife through repeated creampies.

When her mother dies, Rikka Ono believes she can rely on her stepfather, but he has long wanted her and attacks her at night, raping her and finishing inside despite her resistance. He then continues to pursue her, inseminating her until she is pregnant, and she becomes his wife.