Things are heating up this summer! ☀️👙 Dive into the steamier side of manga and earn massive rewards on every volume!

Ends June 13, 2026 at 11:59 PM PDT

An 18-year-old university student Takanori and 17-year-old high schooler Hikaru become brother and sister when their parents get married. Just when their happy family life is about to start their parents' plane crash on their honeymoon! Despite this, Takanori and Hikaru continue to live together. However, everything changes as they learn about the billion yen insurance money their parents left for them! An adventure full of comedy and romance is about to begin!