Comprehensive Manga: Daily life that only the heroine can see

Chen Gong was killed by a truck when he went out on the first day of school, but instead of triggering the plot of reincarnating into a different world and opening the harem, he became a ghost, wandering aimlessly in the city until one day he met A girl who can see ghosts, so far, his ghost life seems to be full of colors again.Yotsuya Miko: Didn’t you agree, you must protect me and don’t wander around!Mai Sakurajima: It doesn’t matter if I live in the other world all the time, as long as I’m with you.Futaba: I need to study it carefully!Little Lonely: I also have friends, hehehe~daily! daily! Focus on daily life!The fusion world includes: bunny girl, visible girl, Qingyin, Chunwu, chuunibiya, etc…ps: The protagonist is invincible (up buff)