Big-Breasted Female Lead Male Protagonist Office Worker/s Coworker/s Expressive Female Lead Opposites Attract Opposites Become Friends Senpai-Kouhai Relationship Big Breasts Virgin Female Lead Expressionless Male Lead Friendship Blushing Weak-Willed Female Lead Annoying Female Lead Blunt Male Lead Emotionally Weak Female Lead Virgin/s Age Gap Chubby Female Lead Clingy Friend Virgin Male Lead Older Female Younger Male Clingy Female Lead Lazy Male Lead Easily Embarrassed Female Lead Honest Male Lead Honest Protagonist