The love bus rolls into Vietnam for the start of the trip, with female members Yume-chin, Depparin and Asuka joining the guys in Ho Chi Minh City.
Yume-chin and Taka hit it off at the beach, but their time at the night market doesn't go so well. Depparin starts to have feelings for someone.
The group visits the home of a local family, prompting a discussion about happiness. Asuka seems troubled, while Taka gets advice from Depparin.
With the Love Wagon still rolling through Vietnam, Taka prepares a present for Yume-chin. Then he decides to ask her a very important question.
Shy Boy joins the group as they tour Myanmar and learn the culture of not getting angry. Depparin and Asuka both have their eyes on Yu-chan.
A stray remark from Hatomune devastates Yume-chin's confidence, giving Asuka a chance. With stress building up, Depparin gets angry at the staff.
The day after the arguement, Depparin talks with Hatomune, Yu-chan and the staff. Everyone decides to make a fresh start on their journey together.
The love wagon rolls into Mandalay to meet Dr. Yoshioka, who's dedicated his life to providing medical care to children, and to discuss "happiness."
Yume-chin makes a confession to Hatomune, who has one night to decide his response. Then the love bus rolls into the next country: Taiwan.
Smitten at first sight, Shy Boy begins spending time with Kasuga. Depparin struggles with the clueless Yu-chan, while Hatomune spends time with Asuka.
Hatomune confesses, then waits for an answer from Asuka. The staff have a surprising announcement for the remaining members.
Overwhelmed by the fallout from her decision, Asuka has a close call one night. Depparin struggles to choose between Yu-chan and Akira.
Depparin waits for an answer after making her confession. On the way to Thailand, one of the members vows to make a fresh start.
The group meets their new member Tom, who has a very unusual relationship status. Yu-chan takes extreme measures to look manly.
The group learns about gender expression in Thailand before visiting another orphanage. Shy Boy worries about Kasuga hitting it off with Tom.
Shy Boy shows off for Kasuga in various ways, including singing and playing the guitar. His lyrics inspire Asuka to make a decision.
After Asuka's confession, Yu-chan decides to make a declaration of his own, and everyone waits for Asuka's reply. Then it's on to Malaysia!
The group gets to know new member, Shacho. They then talk to a family of Japanese expats about life in Malaysia. Shy Boy learns something disturbing.
Kanya has her eyes on Shacho, but Tom's life story intrigues her. Kasuga and Shy Boy wonder what to do about their relationship, but can't decide.
Shacho takes Kanya on a nighttime boat ride, but fails to foil her interest in Tom. Shy Boy tries to make things right with Kasuga.
After talking over his worries with Shacho, Shy Boy finally tells Kasuga how he feels. The next day, he waits in the pouring rain for her answer.
The Love Wagon makes its final stop in Singapore, where Shacho decides to confess. After they return to Tokyo, one more surprise awaits.
The members start their journey in India. Tom and Yuchan reboard the bus, while others are all new. And one infamous member rides again.
Depparin has a bit too much to drink and starts an argument with Tom, leaving him in tears. Then the male members try some pole exercises.
The members learn about India's rapidly growing economy, including its IT prowess. Isamuchan realizes Yuchan may be interested in someone else.
Isamuchan is happy to spend an evening with Yuchan, but he soon realizes that drastic measures are required to make her notice his feelings for her.
After Yuchan gives Isamuchan her answer, the love wagon heads to Nepal. One member steps up to handle the money and the group meets new member, Hidekun.
The members go out to a restaurant for Hidekun's welcome party, but Depparin uses the opportunity to let Yuchan and the male members have it.
In the morning, Yuchan reaches out to Depparin. Later, Depparin talks things over with Hidekun, but Tom is far too traumatized to forgive and forget.
The members learn about the problem of child prostitution in Nepal before visiting the Ainori school. Yuchan frets about telling Myanmar her feelings.
After hearing of a legend foretelling good luck to those who catch a glimpse of the Himalayas, Yuchan climbs a mountain and makes up her mind.
The travelers head to their third country, Uzbekistan, where they meet their new members: artificial intelligence developer AI and actress Sakurako.
After a few days in Uzbekistan, some of the members' feelings start to change. The group heads out on a yurt camping trip, but not everyone's happy.
The members put the camping disaster behind them and travel to the legendary city of Samarkand. They're invited to a wedding, and love is in the air.
After Moa shares her painful secret, an emotional Dr. Morimori ponders his response. Then the love wagon rolls on to its next destination: Kazakhstan.
In Astana, Hidekun and new member Mya start spending more time together. Depparin gets upset, but AI unexpectedly tries to cheer her up.
The members meet a Japanese man from Karafuto who had been forcibly brought to Kazakhstan after WWII. AI begins to feel Depparin's absence.
With Depparin's return, both Hidekun and AI find themselves thinking about her. Knowing Mya has feelings for him, AI decides to let her down easy.
AI confesses his feelings to Depparin by reading her a love letter. The next day, she gives him her reply while Hidekun frets on the sidelines.
The love wagon travels to Kyrgyzstan. Hidekun fails to make a move, while Tom develops a deeper crush on Sakurako after seeing her dance performance.
The members have dinner at the home of their driver's friend and learn about bride kidnapping. Depparin's feelings, meanwhile, have begun to shift.
Depparin gets a huge shock when Kasuga and ShyBoy arrive. He plays Depparin a song, and then they give Tom a pep talk about confessing his feelings.
After his confession, Tom waits for Sakurako's reply. When the remaining members get ready to climb a mountain, Depparin vows to change for Junki.
On the mountain, Depparin must face her terror and find her courage. Once the members descend, she requests two tickets from the bus driver.
