i will drop the manga if author trying to change 'litte sister' status and become 'step sister'
i hope this author dont become coward . unlike 'other' tsundere (step) little sister shitty manga
page 34 make me crying a little bit.....
*Edit*
*There's high chance that hitomi sakaki ghost might be possesing rikka kanzaki the psychic girl .
Because that girl(psychic girl) have sakaki memories