Seven men and women board a pink bus in search of true love. On a journey through Asia with strangers, their goal is to return to Japan as a couple.
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.
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.
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.
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 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 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.
After Moa shares her painful secret, an emotional Dr. Morimori ponders his response. Then the love wagon rolls on to its next destination: Kazakhstan.
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.
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 members meet a Japanese man from Karafuto who had been forcibly brought to Kazakhstan after WWII. AI begins to feel Depparin's absence.
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!
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.
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."
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 learns about gender expression in Thailand before visiting another orphanage. Shy Boy worries about Kasuga hitting it off with Tom.
On the mountain, Depparin must face her terror and find her courage. Once the members descend, she requests two tickets from the bus driver.
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.
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.
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.
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 travelers head to their third country, Uzbekistan, where they meet their new members: artificial intelligence developer AI and actress Sakurako.
The members learn about the problem of child prostitution in Nepal before visiting the Ainori school. Yuchan frets about telling Myanmar her feelings.
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.