High school boy Ryuto Kashima is a nobody. He's not got many friends, his only hobby is watching live streams, and he's never, ever had a girlfriend. That all changes when he's forced to ask out his crush Runa Shirakawa, the most popular and beautiful girl in school! Expecting humiliation and ridicule, Ryuto is astounded when she says yes! Soon, Runa invites Ryuto back to her room - but once there, they discover they are both equally inexperienced in romance, just in very different ways! Now, these two unlikely young lovers are about to discover they have more in common than they think, as they embark upon a relationship filled with firsts!