Tensei Shimai no Otoge Kouryaku - Ane, Chanto Flag Tateyou yo! - Ch. 3 - Never Stand Behind...

[MangaDex]

 

[Baronoflight]

Hope this turns into NTR.

 

[albin747]

The scenes with just the two sisters are pretty neato. All other characters are just detracting from the experience though...

 

[HartSkai]

BRUH can this guy fuck off!?! you're ruining the wholesome sister fluff with your discount yandere-ness

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[blablablub]

gets exp from defeating the octopus.
octopus not acutally dead.
shit game.

 

[pandatime]

Yuri can see her sis and is just fine and dandy taking it slow i see

 

[ForTheJerusalem]

gets exp from defeating the octopus.
octopus not acutally dead.
shit game.

The romance demanded the dead to be alive, so the dead became alive.

 

[airsupport]

gets exp from defeating the octopus.
octopus not acutally dead.
shit game.

you should see xenoblade chronicles 2

one-sidedly curbstomp the boss -> cutscene where you are getting your butt kicked