ラブコメの掟～こじらせ女子と年下男子～.

Ruri, who is a beautiful woman and can also work, is thought to have a lot of love experience by the people around her, but in reality she is a beginner in love for 15 years without a boyfriend. Because of such a lapis lazuli, he decided to give a love affair to his junior Ryo, who is "perfect in appearance and content" but continues to be shaken.