はやくしたいふたり (Series) favorite_border

[DeepL Translation - needs review] Volume 1: "Cheeks!　I'm just going to give you a kiss on the cheek! The main character, Yuri, is going out with Keiichiro Katsuragi, a boy from a very elite family whose grandfather and father are both former prime ministers. Moreover, in the Katsuragi family, there is a "tradition" that boys are not allowed to have any sexual contact with girls until they reach the age of 18!

(Translator: DeepL)