Ano Koro no Aoi Hoshi - Vol. 4 Ch. 11

[MangaDex]

 

[GlasswareGrass]

Shou shown some sexual interest?

 

[Roodypatooti]

Yukata Dog I love you.

 

[Apep23]

Well well well, he stole her parents from her, and now he tried to stole her girlfriend from her too. Not today little boy

 

[GreatSign]

Shou shown some sexual interest?

Possibly, but being flustered in response to an overture can just be anxiety in response to some else's interest so I'm not counting it.