8 . unusual in the fact that he can go back and forth between worlds. Aside from that it seems a wishful book, where everything a teenager ever dreams of becomes true with zero effort
ISEKAI DE CHEAT SKILL WO TE NI SHITA ORE WA, GENJITSU SEKAI WO MO MUSOU SURU ~LEVEL UP WA JINSEI WO KAETA~