Dekiai nante Mitomemasen!

It's been half a year since Naoto and his best friend, Toudou, became lovers. After many twists and turns, their relationship is going so well that Naoto stays at Toudou's house every weekend!!! Although their relationship is out in the open, the two decide to have a proper talk with Naoto's mother. However, the situation rolls in an unexpected direction...

(Source: Shinshokan, translated)

Included one-shot: Uchi no Tama wa Challenger