Show Me What Comes After Kissing

Synopsis

“At your limit already? Looks like you really are just a little brat.” She approached him with romantic feelings built up over the span of ten whole years, but neither her kissing nor her touch could compete with an adult’s…

Also known as キスは覚えたから「その先」を教えて / キスは覚えたから「その先」を教えて？～天才子役、10年越しの初恋リベンジ / Kiss wa Oboeta kara, "Sono Saki" wo Oshiete? - Tensei Koyaku, 10 Toshikoshi no Hatsukoi Revenge