University employee Ryouichirou is ordered by the Chairman to take in an exchange student. That exchange student, Qaltaqa, is a native from a developing country who can't understand Japanese!! Though he is a warrior of his tribe and a man of great beauty, seeing him afraid of the phone and the TV, and even the toilet, Ryouichirou gets fed up… But while being called "Ryouichirou" in such a clumsy manner, he has a change of heart!?
Bright and early one Monday morning, Shino Yuzuru asks Seryou Touji out on a lark when they run into each other at the school gate. Seryou, who's immensely popular, has the odd habit of going out with anyone who asks him out first at the beginning of the week, then promptly dumping them at the end of it.
In Yoshiwara (present-day Tokyo during the Edo Period), the laws against prostitution were abolished and brothels were restored in the red light district. We meet Kichou and his "princess" who are the top courtesans of the Men's Brothel Quarters at Hanafurirou
Kei tries to commit suicide by jumping off of a building and instead switches bodies with Sho accidentally. The two start living together And Sho the narcissist discovers that he likes having sex with Kei (who is in his body). The two kids and switch back, but fall in love.
Vice President doesn’t like ugly people but eventually falls for jaerim.
Ayeon’s story (spin-off from never understand)
Ginger (1/2?demon and angel) and Rum work for the Roman company. Ginger has been in love with Rum forever but doesn’t want to ruin their friendship. Eventually they realize their mutual feelings. Super cute.
Sungjoon loses his apartment in a fire and calls a high school classmate who lets him stay with him. The classmate first bribes Sungjoon to act like his dog but they develop feelings for each other.
Yubin and Ginu are childhood friends whose windows face each other. One day Yubin is masturbating with a dildo and is seen by Ginu, who offers to teach him how to have sex.
Sayonara Futaribocchi Renai Shinsho