Ugh, I manage to finally forget that one after all these years. The anime made a good choice of adapting only the first half. I will join you on that cliff if they do that too.
A guy raise a little girl turns out she's like his aunt, so granpa kid. At the end of the manga the girl falls in love with him and he felt like he had no other choice but to say yes
If you usagi drop me I will drop off a cliff