I REALLY should find the motivation to read it. Especially as i know/like the author (https://www.novelupdates.com/nauthor/cuttlefish-that-loves-diving/) after reading Martial Arts Master - Novel Updates www.novelupdates.com Throne of Magical Arcana - Novel Updates www.novelupdates.com
Its not called "grooming" when it's the young girl "attacking the older one and the male is resisting it"