Basically, for context. Jyushimatsu saved a girl for s*icide by basically he accidentally drowned himself and saved by the same girl and when he got up, he does his sillies which end up the girl laughing.

For the ending, they part ways by a train with the girl leaving AND ITS SO EMOTIONALLY HEAVY

" Though he expresses his hatred of being a sextuplet to Chibita and wishes that he was an only child "

Me too, I felt that.

From a person who likes Todomatsu, like him- I felt like, loving Osomatsu is also underrated because he might be "bland" but nahh