Tanaka Rina (里奈 田中,Rina Tanaka?), better known by her alias Alyssa (アリッサ,Arissa?), is one of the major female characters of God-Sigma vs. God-Mars: War of the Gods. She is one of the two female partners and girlfriends of Toshiya Izuka, along with Rina Koyanagi, who supplies their mana to charge their powers from. She is also a controller of one of the components of God Sigma.
