NatsuMitsu

NatsuMitsu is the slash ship between Hyuuga Natsuhiko and Mitsuba Sousuke from the Toilet-bound Hanako-kun fandom.

Canon
Natsuhiko has been shown to be quite fond of Mitsuba throughout their friendship, despite Natsuhiko asking himself internally, "There's more of them now!?" after first meeting Mitsuba in chapter 35.

In Chapter 40, Natsuhiko and Sakura plan to throw Mitsuba a welcoming party. Mitsuba notices the two whispering, and wonders to himself if they're talking about him. Mitsuba comes to the conclusion that the two find him cute but are too nervous to talk to him, so Mitsuba decides to "do them the favor of introducing himself," before Tsukasa acts like Natsuhiko and Sakura are discussing how they're going to tell Mitsuba to leave. Natsuhiko immediately tries to cover up the misunderstanding, but fails as Mitsuba is brought to tears and leaves the Broadcasting Club to go look for 'somewhere to belong.'

After entering the School and being found by Teru, he is trapped and in danger as Teru is about to exorcize him, before Natsuhiko interrupts and rescues Mitsuba by shouting that Teru is on the market for love. Natsuhiko then brings him back to the broadcasting room safetly.

In Chapter 65, Mitsuba and Kou find Natsuhiko being eaten by a fish-like supernatural. After being rescued by Kou and Mitsuba, he greets Mitsuba. Later during the chapter, after Mitsuba falls asleep, Natsuhiko comments on how he fell asleep 'like a kitten.'

In Chapter 12 of the Spin-Off Manga, After School Boy Hanako-kun, after Mitsuba becomes obsessed with making friends, Natsuhiko is the first one to try and claim the spot.

In Chapter 80.1, the Relay Interview, Mitsuba lists the things he likes about Natsuhiko being 'Helpful and Caring,' and the things he dislikes as 'Annoying ways of interacting.'

Throughout the manga, Natsuhiko exclusively refers to Mitsuba with the '-chan' honorific. This honorific is used to refer to young girls or close girl friends. However, '-chan' can also be used to refer to things that you think are cute. This obviously implies that Natsuhiko thinks Mitsuba is cute. On Mitsuba's end, he refers to Natsuhiko as 'Airhead-senpai.'

Fanon
The ship likely sailed due to Natsuhiko's interest in Mitsuba. Some fans point out that he treats Mitsuba somewhat similar to Sakura, the girl he has a crush on. However, the ship is considered a rarepair and is very rare to see actually being talked about. Mitsukou and NatsuSaku are far more common. The ship currently has 8+ works on AO3.

Fandom
FAN FICTION

WIKIS
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Trivia

 * The pair both often make cat faces. (:3)
 * Currently, Mitsuba is the only male character Natsuhiko refers to with '-chan.'

Variations

 * Broadcasting Club refers to the ship between the two, Yugi Tsukasa and Nanamine Sakura