Kekkon Nante Okotowari desu!
Kasumi was tricked into a matchmaking session with Toshikazu Riichi, the son of a corporate president. But Kasumi had already made arrangements to finally meet her anonymous SNS friend! It got worse when Riichi arrives late and treats her with disrespectful attitude. Finally Kasumi got away and made it to the promised meeting spot, and it turns out her mysterious Internet friend was Riichi himself!
(Source: Japanese Publisher, translated)