Here is the full list of all 26 Senren * Banka achievements.
Completed the common route
Completed Yoshino's route
Completed Murasame's route
Completed Mako's route
Completed Lena's route
Completed Koharu's route
Completed Roka's route
Just the normal ending
Get bowled over by Lena
Lena can't handle lewd stuff
Catch Mako after she falls out of the tree
Fall down the mountain and get knocked out
Listen to Murasame sing a creepy song
Meet Mako as a dog
Give Murasame a headpat
"Pull" the sword from the stone
Get woken up by Murasame sitting on you
Yoshino is kept awake by Mako
Murasame regains use of her real body
Yoshino sees the aurora
Yoshino gives a unique greeting
Get attacked by a unique ninja
Discover Shinatsu Manor has Free WiFi. Score!
Lena really dislikes Wasabi.
Sour, just like a certain other blonde likes.
Unlock all achievements