
S01E01 Tawawa on Monday
One Monday morning, a high school girl named Ai who meets with a salaryman at a train station every Monday morning. The man somewhat acts as Ai's bodyguard, who protects her from the other passengers...
A female employee asks if Junior wants to go on a blind date. When she refuses, the female employee mentions Junior's ex-boyfriend in front of the Senior. After a drinking party, Senior carries the drunk Junior on his back afterwards. However, while Senior carries Junior to her apartment, Junior reveals that she actually has no boyfriend from her hometown at all, and that she uses this lie to avoid any possible romantic advances from other men.
The anime follows a salaryman who has a chance meeting with a girl named Ai on the train. They begin to meet every Monday on the train, with the man serving as her bodyguard on the crowded commute while they chat.