Take My First Time! summary:

“I’m an adult now. I’m going to sleep with 122 men!”In his highschool years, Taeho made a ridiculous promise with his childhood friend, Shin Sari; to give each other their first times! Taeho buries this promise in his memories as he matures and eventually forgets it. However, Sari is still fixated on this promise when they reunite in college!