When Did We Start Dating?!

‘When did we start dating?!’ ‘So you’re saying that we’re not dating, but we’re sex partners…?!!’ ‘Jinho’, who’s going to be discharged from his military service soon, without him knowing became sex partners with his childhood friend ‘Juri’ (previously a school bully, and a virgin)! ‘But if we’re sex partners, shouldn’t we have sex?’ ‘Wanna die?’