SNOS-026 My tsundere childhood friend... she said to me, 'You got a girlfriend, so I'll help you with premature ejaculation training' and then had jealous self-promoting sex. Shiori Airi

Childhood friends Nagisa and Azuma have always had a close relationship, and every time they open their mouths, they end up fighting.- Azuma, who has become a school student, starts his first girlfriend relationship with a female classmate, and his days are filled with ecstasy.Behind the scenes, Nagisa was secretly receiving advice from her that ``Higashi is having trouble with premature ejaculation.''Although she has mixed feelings about it, Nagisa buys Azuma a blowjob practice table, calling it ``training.''Is it an extension of teasing, jealousy, or...?