Sakazuki-san Chi no Gikyoudai - Vol. 2 Ch. 17 - The Beginning (02)

[MangaDex]

 

[HighStream]

Onii-san is a tsundere

 

[Raebit]

The hints/fanservice tho /cough
IS IT SHONEN AI OR STAY PLATONIC AKJGHSKD

 

[CheerTheDead]

Like a newly wed couple :3

 

[tenshineko]

At some point they’re going to end up with another sibling...