Married middle aged man who has an affair with Nana Komatsu for 4 months, until he got transferred to Tokyo in 1999. Nana refers to him as her first true love.
Osaku Takashi 29 of age was Nana Komatsu's first true love and the one she ended up giving her virginity to at the age of 17 in 1999. Osaku however was a married man and his job transferred him to tokyo forcing him to end the affair he was having with Nana.
It was fun.
Osaku met Nana outside of a cinema where after exiting the building Nana became suddenly ill and collapsed, Osaku was the one the first mention her and asked her if he could help her. Osaku notices Nana's pale face and ask her if she want to lay down on the bench until she felt better and stressed her that she would be better of to have something to eat in order to strengthen up. After Nana felt a bit better she admitted to him that she was on a diet which caused her to collapse out side of the cinema. Osaka stayed at Nana her side until the appeared to feel better then left telling her to take care of herself and go home. Before he could leave Nana who was charmed by him told him that she worked part time in a nearby restaurant and invited him to come over whenever he could.
Two weeks later Osaku finally showed up waiting for Nana in front of the restaurant, in these two weeks not seeing him Nana grew deeply in love with him. That night was the first one of their affair. Nana would see him 3, 4 times a month during this period even after noticing his wedding ring on their first night together. After 4 month Osaku was transferred to Tokyo and had to end their affair.
Four months later after nana finished high school and left for Tokyo to look for an art school she was upset with Souji and barged away from him and couldn't find the hotel where she and the others where staying she happened to cross path with Osaku. The two of them had a final meal toghter at a restaurant before saying farewell for good.
Just before the two of them go opposite direction one of Osaku's co-workers says hello to him revealing that Osaku Takashi was his real name and not a fake like Nana imagined it to be.