Crossover Anime: Building the Strongest Familiar from Scratch

To recruit a heroine with good fortune as a familiar, and transform her into a special demon, you can gain the skills she possesses.
The first step to becoming a demon god begins with recruiting the beautiful neighbor next door, Miss Mira.
Of course, one world is not enough to acquire a large number of high-quality followers.
Thus, with the system's help, Bai Chen's name gradually resounded throughout the myriad realms...
"The Enchanting Demon" Tsubakihara Mira: Master, do you like this outfit?
"Demon of the Blade" Saeko Busujima: Master, please lend me the Demon Blade for a look.
"The Healing Demon" Shizuka Marikawa: Master, the holy fruit is ripe, come and pick it!
"Spirit-Controlling Demon" Yotsuya Miko: Master, please replenish my mana.
......
(ps: qcqs, the main character is wearing.)