Having nothing to do, ex-Olympic candidate swimmer, Hiromi, decides to go to the beach after being thrown out of his girlfriend's house. While there, he meets Kaito, an elite salaryman of a big company, who comes with the purpose of cooling himself down. Both then arrives a lodging house where they stay on for their summer vacation ... and unknowingly, they grow to like the place very much.
About two sisters separated when the father died. The elder one went back to live with her rich grandad while the younger one got adopted by a poor restaurateur by default. The young girl despite her not so good circumstance has a positive outlook in life, she's not the one to cry when things get tough. The elder sister never ceased her search for the younger sister. Things got complicated when a guy (both loved by the sisters) appeared in their lives.
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