Summary
[from manga updates]
When Ayumis dad remarried, he brought home not only a new mom for Ayumi, but an older brother too! Takerus handsome, nice, and really popular with the girls. So popular that his phone never stops ringing! Ayumi cant help but be bothered by his popularity, but if hes a player why should Ayumi care? Isnt it wrong for siblings to have those kinds of feelings for one another?
More details