2006, Winter: The MC and Misaki meet at the construction site. Misaki and MC are both 19.
2006, Christmas Eve: MC and Misaki started dating.
2007?: Misaki got in a fight while on a date, and afterwards, Misaki and MC held hands for the first time.
2007, 3 months later: Misaki and MC kissed for the first time.
2007, 6 months later: MC stopped calling Misaki, 'Chief'.
2007: Misaki started wearing miniskirts.
2007~2009: Misaki and MC moved in together.
2007~2009 Spring: Misaki and MC had sex for the first time. Misaki was drunk for the first time.
2009: MC and Masaki got married.
2012, Late Autumn/Fall: The party (MC and Misaki have been married for 3 years and dating for 3 years before that, so together for 6 years). Misaki drank sake for the first time and became severely drunk.
2012, 6 hours before: Some other dude I don't know discovered that his girlfriend was cheating on him
2012, 2 months after the party: MC and Misaki meet at their favorite stall and it's revealed that Misaki is pregnant. I am a bit confused on why they mentioned 3 months when they were talking about her pregnancy. Does that mean that she was impregnated 3 months ago or 1 month before the party?
2013: Masaki Tanaka is born.
2014: Obtained a National License
2014: The last time MC and Misaki had sex.
2016, Spring: The next moment after a time skip, so 4 years after the last part. MC now has a son, Masaki, who is 3 years old, and in kindergarten.
2016, 1 week later: MC recovers from Cold/Flu/Fever. MC is suspicious of Misaki cheating on him. MC meets Nao.
2016, 1 month later: MC's 30th birthday, he's 30 now. Misaki is still 29 for now.
2016, 3 months later, Summer: Misaki quit the Beauty Salon business to work for Aida Corporation.