Nisekoi False Love (Manga) Vol 9

Raku's crush, Kosaki Onodera, has a younger sister - Haru! She's determined to protect Kosaki from what she perceives to be Raku's playboy ways. Meanwhile, assassin Paula joins Haru's class with a secret mission in mind - to set up Raku with fellow assassin Tsugumi! For teen audiences. Viz Media Llc
Naoshi Komi