Tying the Knot with an Amagami Sister - Vol. 2 Ch. 12 - Morning Chases Night

[MangaDex]

 

[Laisanity2000]

Asahi best girl
There is no competition

 

[BadHaremSchollar]

The little sister character doesnt have a good track record.

But strangely, if the Harem ending spoiler is a red herring, Asahi just makes the most sense.