
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...
One Monday morning, Salaryman asked what Ai did during the Christmas day, which she initially refuses to answer. Later, she revealed that she 'has taken a step into adulthood', becoming from 'I-chan' to 'J-chan'.
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.