Tsui no Taimashi ―Ender Geisterー - Vol. 6 Ch. 46 - Zombieland

[MangaDex]

 

[Equuleus]

Same here in page 25; she is not talking about his brother, lol, just referring to him as Onii-san (or similar aflection, I had't seen the raw, it's just evident by context)

 

[Lelbrosa]

Me gusta

 

[Kaarme]

Okay, if I ever visit Japan, I won't go anywhere near the universities.