Angel Navigate

Souta is back to his hometown after an interval of several years. He and his younger sister, Koharu, start living at Hinako's, their childhood friend's, house. On his first day at a new school, he met a girl and soon falls in love with her. Souta isn't actually good at talking with girls, so a friend of his introduces him to a website called Angel Navigate, where people talk about love. Souta decides to visit the website anonymously...