The first 11 books form one lived-in world.
Ben’s first ride from the airport leads to công ty Xanh, market errands, finding a home, friendships and family journeys. By the B1 exit, learners can look back on years of story; Level 10 carries the group into B2. Levels 11–21 are shown as planned books without invented story details.
BenMaicô Sáuanh TuấnVychú Bảy
Arrival · Levels 00–02Airport, work, the first room
Survival phrases become introductions, schedules, directions and plans.
Everyday life · Levels 03–05Market to the A2 exit
Shopping, travel, renting, repairs, work changes, invitations and a year in Sài Gòn.
Independence · Levels 06–08Faster speech, deeper relationships
Southern manners, neighbours, money, family, the Mekong Delta and Tết.
B1 exit · Level 09Work, opinions and where to live
Interviews, formal emails and a visit to Bến Tre bring the B1 story together.
B2 bridge · Level 10Race day to Tết in Bến Tre
Ben handles an accident, explains customs, debates politely and checks rumours.