Shoujo Grand Summoning

A chinese novel revolving around being transported to another world with an op system. The mc spends his day chasing skirts and doing missions to level up. A standard journey to the top story with lots of girls from various animes and games with a twist of gaming feel (hunting mobs, doing missions). Maidens' Grand Summoning Shào Nǚ Dà Zhào Huàn 少女大召唤