Damn i love the game's story even though i always failed choosing the correct options.my heart touched when she says that she is happy living mith me and the ending makes me tears. 
Tricky options:A LOT!
story:for me its 5 stars
Characters:ill give 5stars to Eta and 4stars to Takeru's ex gf.
Lastly the ending make me feel something wrong.. Pls can i get more chapters?

Big thanks to game creator